./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:24:49,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:24:49,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:24:49,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:24:49,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:24:49,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:24:49,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:24:49,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:24:49,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:24:49,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:24:49,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:24:49,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:24:49,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:24:49,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:24:49,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:24:49,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:24:49,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:24:49,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:24:49,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:24:49,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:24:49,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:24:49,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:24:49,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:24:49,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:24:49,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:24:49,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:24:49,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:24:49,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:24:49,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:24:49,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:24:49,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:24:49,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:24:49,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:24:49,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:24:49,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:24:49,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:24:49,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:24:49,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:24:49,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:24:49,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:24:49,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:24:49,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2022-11-23 14:24:49,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:24:49,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:24:49,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:24:49,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:24:49,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:24:49,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:24:49,922 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:24:49,922 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:24:49,926 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:24:49,926 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:24:49,927 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:24:49,928 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:24:49,928 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:24:49,928 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:24:49,928 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:24:49,928 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:24:49,929 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:24:49,929 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:24:49,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:24:49,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:24:49,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:24:49,930 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:24:49,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:24:49,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:24:49,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:24:49,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:24:49,932 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:24:49,932 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:24:49,932 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:24:49,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:24:49,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:24:49,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:24:49,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:24:49,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:24:49,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:24:49,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:49,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:24:49,934 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:24:49,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:24:49,935 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:24:49,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:24:49,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:24:49,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2022-11-23 14:24:50,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:24:50,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:24:50,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:24:50,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:24:50,220 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:24:50,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-11-23 14:24:53,274 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:24:53,661 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:24:53,661 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-11-23 14:24:53,687 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data/37093613a/b9cd6eeb445740d298938ba0337ab612/FLAGfcb51107d [2022-11-23 14:24:53,701 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data/37093613a/b9cd6eeb445740d298938ba0337ab612 [2022-11-23 14:24:53,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:24:53,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:24:53,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:53,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:24:53,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:24:53,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:53" (1/1) ... [2022-11-23 14:24:53,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ae0742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:53, skipping insertion in model container [2022-11-23 14:24:53,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:24:53" (1/1) ... [2022-11-23 14:24:53,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:24:53,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:24:54,255 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-11-23 14:24:54,404 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-11-23 14:24:54,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:24:54,435 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-23 14:24:54,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3caa66e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:24:54, skipping insertion in model container [2022-11-23 14:24:54,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:24:54,439 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:24:54,442 INFO L158 Benchmark]: Toolchain (without parser) took 734.93ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 104.4MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:24:54,442 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:24:54,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.45ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 104.4MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:24:54,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.45ms. Allocated memory is still 159.4MB. Free memory was 126.2MB in the beginning and 104.4MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 737]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:24:56,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:24:56,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:24:56,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:24:56,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:24:56,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:24:56,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:24:56,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:24:56,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:24:56,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:24:56,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:24:56,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:24:56,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:24:56,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:24:56,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:24:56,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:24:56,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:24:56,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:24:56,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:24:56,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:24:56,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:24:56,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:24:56,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:24:56,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:24:56,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:24:56,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:24:56,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:24:56,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:24:56,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:24:56,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:24:56,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:24:56,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:24:56,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:24:56,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:24:56,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:24:56,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:24:56,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:24:56,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:24:56,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:24:56,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:24:56,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:24:56,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2022-11-23 14:24:56,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:24:56,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:24:56,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:24:56,988 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:24:56,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:24:56,989 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:24:56,989 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:24:56,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:24:56,989 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:24:56,990 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:24:56,991 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:24:56,991 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:24:56,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 14:24:56,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 14:24:56,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:24:56,993 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:24:56,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:24:56,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:24:56,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:24:56,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:24:56,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-23 14:24:56,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-23 14:24:56,994 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-23 14:24:56,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:24:56,994 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:24:56,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:24:56,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:24:56,995 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:24:56,995 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:24:56,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:24:56,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:24:56,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:24:56,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:24:56,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:24:56,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:24:56,997 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:24:56,997 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:24:56,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:24:56,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:24:56,998 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a97724240a87192496d8328468f54cf5b25ba6881d4dae32505036169c4a273 [2022-11-23 14:24:57,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:24:57,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:24:57,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:24:57,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:24:57,436 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:24:57,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-11-23 14:25:00,764 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:25:01,104 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:25:01,105 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i [2022-11-23 14:25:01,121 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data/384678ae9/884e784c82dc482d835d3ddd58fe6dac/FLAG9cf7dfccb [2022-11-23 14:25:01,141 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/data/384678ae9/884e784c82dc482d835d3ddd58fe6dac [2022-11-23 14:25:01,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:25:01,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:25:01,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:25:01,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:25:01,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:25:01,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:01" (1/1) ... [2022-11-23 14:25:01,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70932898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:01, skipping insertion in model container [2022-11-23 14:25:01,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:25:01" (1/1) ... [2022-11-23 14:25:01,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:25:01,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:25:01,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-11-23 14:25:02,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-11-23 14:25:02,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:25:02,043 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-23 14:25:02,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:25:02,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-11-23 14:25:02,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-11-23 14:25:02,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:25:02,164 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:25:02,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[33021,33034] [2022-11-23 14:25:02,306 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test5-1.i[49681,49694] [2022-11-23 14:25:02,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:25:02,371 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:25:02,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02 WrapperNode [2022-11-23 14:25:02,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:25:02,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:25:02,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:25:02,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:25:02,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,551 INFO L138 Inliner]: procedures = 180, calls = 388, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1406 [2022-11-23 14:25:02,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:25:02,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:25:02,553 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:25:02,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:25:02,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,706 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:25:02,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:25:02,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:25:02,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:25:02,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (1/1) ... [2022-11-23 14:25:02,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:25:02,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:25:02,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:25:02,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:25:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-23 14:25:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 14:25:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:25:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:25:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:25:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:25:02,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:25:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:25:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:25:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:25:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 14:25:02,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:25:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:25:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 14:25:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 14:25:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:25:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:25:03,187 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:25:03,192 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:25:03,196 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-23 14:25:09,713 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:25:09,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:25:09,740 INFO L300 CfgBuilder]: Removed 83 assume(true) statements. [2022-11-23 14:25:09,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:09 BoogieIcfgContainer [2022-11-23 14:25:09,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:25:09,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:25:09,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:25:09,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:25:09,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:25:01" (1/3) ... [2022-11-23 14:25:09,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dafa7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:09, skipping insertion in model container [2022-11-23 14:25:09,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:25:02" (2/3) ... [2022-11-23 14:25:09,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44dafa7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:25:09, skipping insertion in model container [2022-11-23 14:25:09,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:25:09" (3/3) ... [2022-11-23 14:25:09,757 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test5-1.i [2022-11-23 14:25:09,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:25:09,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 729 error locations. [2022-11-23 14:25:09,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:25:09,866 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@b5dd457, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:25:09,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 729 error locations. [2022-11-23 14:25:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 1454 states, 717 states have (on average 2.2384937238493725) internal successors, (1605), 1445 states have internal predecessors, (1605), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 14:25:09,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:09,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 14:25:09,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:09,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash 37287509, now seen corresponding path program 1 times [2022-11-23 14:25:09,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:09,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115046399] [2022-11-23 14:25:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:09,899 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:09,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:09,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:09,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 14:25:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:10,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 14:25:10,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:10,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:10,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:10,134 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:10,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115046399] [2022-11-23 14:25:10,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115046399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:10,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:10,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:25:10,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120849513] [2022-11-23 14:25:10,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:10,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:25:10,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:10,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:25:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:25:10,192 INFO L87 Difference]: Start difference. First operand has 1454 states, 717 states have (on average 2.2384937238493725) internal successors, (1605), 1445 states have internal predecessors, (1605), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:10,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:10,289 INFO L93 Difference]: Finished difference Result 1436 states and 1517 transitions. [2022-11-23 14:25:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:25:10,303 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 14:25:10,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:10,323 INFO L225 Difference]: With dead ends: 1436 [2022-11-23 14:25:10,324 INFO L226 Difference]: Without dead ends: 1434 [2022-11-23 14:25:10,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:25:10,329 INFO L413 NwaCegarLoop]: 1517 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1517 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:10,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:25:10,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2022-11-23 14:25:10,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1434. [2022-11-23 14:25:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1434 states, 708 states have (on average 2.1087570621468927) internal successors, (1493), 1425 states have internal predecessors, (1493), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:10,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1515 transitions. [2022-11-23 14:25:10,431 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1515 transitions. Word has length 5 [2022-11-23 14:25:10,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:10,431 INFO L495 AbstractCegarLoop]: Abstraction has 1434 states and 1515 transitions. [2022-11-23 14:25:10,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1515 transitions. [2022-11-23 14:25:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 14:25:10,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:10,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 14:25:10,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:10,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:10,659 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:10,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:10,660 INFO L85 PathProgramCache]: Analyzing trace with hash 37287571, now seen corresponding path program 1 times [2022-11-23 14:25:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:10,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474332975] [2022-11-23 14:25:10,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:10,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:10,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:10,667 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:10,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 14:25:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:10,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:25:10,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:10,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:25:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:10,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:10,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:10,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474332975] [2022-11-23 14:25:10,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474332975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:10,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:10,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:25:10,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272264316] [2022-11-23 14:25:10,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:11,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:25:11,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:11,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:25:11,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:11,002 INFO L87 Difference]: Start difference. First operand 1434 states and 1515 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:14,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:14,325 INFO L93 Difference]: Finished difference Result 1690 states and 1814 transitions. [2022-11-23 14:25:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:25:14,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 14:25:14,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:14,333 INFO L225 Difference]: With dead ends: 1690 [2022-11-23 14:25:14,333 INFO L226 Difference]: Without dead ends: 1690 [2022-11-23 14:25:14,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:14,336 INFO L413 NwaCegarLoop]: 953 mSDtfsCounter, 1365 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1376 SdHoareTripleChecker+Valid, 1217 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:14,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1376 Valid, 1217 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 14:25:14,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-11-23 14:25:14,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1419. [2022-11-23 14:25:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 784 states have (on average 1.9604591836734695) internal successors, (1537), 1410 states have internal predecessors, (1537), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:14,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1559 transitions. [2022-11-23 14:25:14,404 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1559 transitions. Word has length 5 [2022-11-23 14:25:14,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:14,405 INFO L495 AbstractCegarLoop]: Abstraction has 1419 states and 1559 transitions. [2022-11-23 14:25:14,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1559 transitions. [2022-11-23 14:25:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 14:25:14,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:14,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 14:25:14,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:14,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:14,613 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:14,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:14,613 INFO L85 PathProgramCache]: Analyzing trace with hash 37287572, now seen corresponding path program 1 times [2022-11-23 14:25:14,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:14,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79360813] [2022-11-23 14:25:14,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:14,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:14,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:14,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:14,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 14:25:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:14,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:25:14,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:14,768 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:25:14,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:14,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:14,794 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:14,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [79360813] [2022-11-23 14:25:14,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [79360813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:14,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:14,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:25:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744751857] [2022-11-23 14:25:14,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:14,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:25:14,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:14,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:25:14,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:14,800 INFO L87 Difference]: Start difference. First operand 1419 states and 1559 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:19,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:19,463 INFO L93 Difference]: Finished difference Result 1941 states and 2130 transitions. [2022-11-23 14:25:19,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:25:19,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 14:25:19,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:19,485 INFO L225 Difference]: With dead ends: 1941 [2022-11-23 14:25:19,485 INFO L226 Difference]: Without dead ends: 1941 [2022-11-23 14:25:19,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:19,488 INFO L413 NwaCegarLoop]: 1347 mSDtfsCounter, 743 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:19,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1948 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-11-23 14:25:19,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2022-11-23 14:25:19,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1575. [2022-11-23 14:25:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 950 states have (on average 1.94) internal successors, (1843), 1566 states have internal predecessors, (1843), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 1865 transitions. [2022-11-23 14:25:19,530 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 1865 transitions. Word has length 5 [2022-11-23 14:25:19,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:19,531 INFO L495 AbstractCegarLoop]: Abstraction has 1575 states and 1865 transitions. [2022-11-23 14:25:19,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:19,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1865 transitions. [2022-11-23 14:25:19,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-23 14:25:19,532 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:19,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-23 14:25:19,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:19,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:19,744 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr640REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:19,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:19,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1157590079, now seen corresponding path program 1 times [2022-11-23 14:25:19,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:19,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107904509] [2022-11-23 14:25:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:19,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:19,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:19,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:19,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-23 14:25:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:19,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:25:19,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:19,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:19,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:19,932 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:19,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107904509] [2022-11-23 14:25:19,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107904509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:19,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:19,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:25:19,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556607061] [2022-11-23 14:25:19,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:19,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:25:19,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:19,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:25:19,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:19,935 INFO L87 Difference]: Start difference. First operand 1575 states and 1865 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:20,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:20,110 INFO L93 Difference]: Finished difference Result 3133 states and 3713 transitions. [2022-11-23 14:25:20,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:25:20,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-23 14:25:20,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:20,147 INFO L225 Difference]: With dead ends: 3133 [2022-11-23 14:25:20,162 INFO L226 Difference]: Without dead ends: 3133 [2022-11-23 14:25:20,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:20,164 INFO L413 NwaCegarLoop]: 1473 mSDtfsCounter, 1373 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1384 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:20,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1384 Valid, 2877 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:25:20,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2022-11-23 14:25:20,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 1577. [2022-11-23 14:25:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1577 states, 952 states have (on average 1.9380252100840336) internal successors, (1845), 1568 states have internal predecessors, (1845), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:20,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1577 states and 1867 transitions. [2022-11-23 14:25:20,231 INFO L78 Accepts]: Start accepts. Automaton has 1577 states and 1867 transitions. Word has length 6 [2022-11-23 14:25:20,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:20,238 INFO L495 AbstractCegarLoop]: Abstraction has 1577 states and 1867 transitions. [2022-11-23 14:25:20,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 1867 transitions. [2022-11-23 14:25:20,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 14:25:20,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:20,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:20,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:20,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:20,449 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:20,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:20,450 INFO L85 PathProgramCache]: Analyzing trace with hash 334651453, now seen corresponding path program 1 times [2022-11-23 14:25:20,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:20,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226590449] [2022-11-23 14:25:20,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:20,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:20,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:20,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:20,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 14:25:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:20,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:25:20,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:20,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:20,655 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:20,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226590449] [2022-11-23 14:25:20,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226590449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:20,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:20,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:25:20,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882573444] [2022-11-23 14:25:20,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:20,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:25:20,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:20,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:25:20,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:20,658 INFO L87 Difference]: Start difference. First operand 1577 states and 1867 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:20,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:20,701 INFO L93 Difference]: Finished difference Result 1541 states and 1830 transitions. [2022-11-23 14:25:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:25:20,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 14:25:20,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:20,707 INFO L225 Difference]: With dead ends: 1541 [2022-11-23 14:25:20,707 INFO L226 Difference]: Without dead ends: 1541 [2022-11-23 14:25:20,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:20,708 INFO L413 NwaCegarLoop]: 1366 mSDtfsCounter, 1336 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:20,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 1394 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:25:20,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2022-11-23 14:25:20,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 1535. [2022-11-23 14:25:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1535 states, 934 states have (on average 1.9293361884368307) internal successors, (1802), 1526 states have internal predecessors, (1802), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1824 transitions. [2022-11-23 14:25:20,740 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1824 transitions. Word has length 11 [2022-11-23 14:25:20,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:20,741 INFO L495 AbstractCegarLoop]: Abstraction has 1535 states and 1824 transitions. [2022-11-23 14:25:20,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1824 transitions. [2022-11-23 14:25:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 14:25:20,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:20,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:20,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:20,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:20,953 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:20,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:20,953 INFO L85 PathProgramCache]: Analyzing trace with hash -522505033, now seen corresponding path program 1 times [2022-11-23 14:25:20,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:20,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [293623247] [2022-11-23 14:25:20,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:20,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:20,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:20,957 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:20,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-23 14:25:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:21,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:25:21,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:21,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:21,193 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:21,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [293623247] [2022-11-23 14:25:21,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [293623247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:21,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:21,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:25:21,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143049022] [2022-11-23 14:25:21,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:21,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:25:21,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:21,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:25:21,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:25:21,195 INFO L87 Difference]: Start difference. First operand 1535 states and 1824 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:21,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:21,294 INFO L93 Difference]: Finished difference Result 1520 states and 1802 transitions. [2022-11-23 14:25:21,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:25:21,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 14:25:21,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:21,300 INFO L225 Difference]: With dead ends: 1520 [2022-11-23 14:25:21,300 INFO L226 Difference]: Without dead ends: 1520 [2022-11-23 14:25:21,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:25:21,301 INFO L413 NwaCegarLoop]: 1321 mSDtfsCounter, 1317 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 2663 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:21,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 2663 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:25:21,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1520 states. [2022-11-23 14:25:21,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1520 to 1513. [2022-11-23 14:25:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 926 states have (on average 1.9146868250539957) internal successors, (1773), 1504 states have internal predecessors, (1773), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 1795 transitions. [2022-11-23 14:25:21,331 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 1795 transitions. Word has length 13 [2022-11-23 14:25:21,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:21,332 INFO L495 AbstractCegarLoop]: Abstraction has 1513 states and 1795 transitions. [2022-11-23 14:25:21,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 1795 transitions. [2022-11-23 14:25:21,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 14:25:21,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:21,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:21,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:21,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:21,545 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:21,546 INFO L85 PathProgramCache]: Analyzing trace with hash -22216187, now seen corresponding path program 1 times [2022-11-23 14:25:21,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:21,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994853208] [2022-11-23 14:25:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:21,547 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:21,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:21,548 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:21,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-23 14:25:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:21,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:25:21,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:21,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:25:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:21,836 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:21,836 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:21,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994853208] [2022-11-23 14:25:21,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994853208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:21,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:21,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:25:21,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165344128] [2022-11-23 14:25:21,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:21,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:25:21,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:21,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:25:21,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:25:21,839 INFO L87 Difference]: Start difference. First operand 1513 states and 1795 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:26,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:26,457 INFO L93 Difference]: Finished difference Result 2374 states and 2683 transitions. [2022-11-23 14:25:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:25:26,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-23 14:25:26,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:26,464 INFO L225 Difference]: With dead ends: 2374 [2022-11-23 14:25:26,464 INFO L226 Difference]: Without dead ends: 2374 [2022-11-23 14:25:26,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:25:26,465 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 3005 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3013 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 1445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:26,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3013 Valid, 1546 Invalid, 1445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-23 14:25:26,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2022-11-23 14:25:26,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 1509. [2022-11-23 14:25:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 926 states have (on average 1.9103671706263499) internal successors, (1769), 1500 states have internal predecessors, (1769), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 1791 transitions. [2022-11-23 14:25:26,511 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 1791 transitions. Word has length 27 [2022-11-23 14:25:26,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:26,511 INFO L495 AbstractCegarLoop]: Abstraction has 1509 states and 1791 transitions. [2022-11-23 14:25:26,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:26,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 1791 transitions. [2022-11-23 14:25:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-23 14:25:26,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:26,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:26,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:26,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:26,725 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:26,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:26,725 INFO L85 PathProgramCache]: Analyzing trace with hash -22216186, now seen corresponding path program 1 times [2022-11-23 14:25:26,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:26,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027146085] [2022-11-23 14:25:26,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:26,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:26,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:26,727 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:26,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-23 14:25:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:26,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 14:25:26,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:26,937 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:25:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:27,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:27,139 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:27,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027146085] [2022-11-23 14:25:27,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027146085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:27,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:27,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:25:27,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829299460] [2022-11-23 14:25:27,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:27,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:25:27,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:27,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:25:27,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:25:27,141 INFO L87 Difference]: Start difference. First operand 1509 states and 1791 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:32,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:32,740 INFO L93 Difference]: Finished difference Result 1878 states and 2059 transitions. [2022-11-23 14:25:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:25:32,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-23 14:25:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:32,746 INFO L225 Difference]: With dead ends: 1878 [2022-11-23 14:25:32,746 INFO L226 Difference]: Without dead ends: 1878 [2022-11-23 14:25:32,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:25:32,747 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 1293 mSDsluCounter, 1200 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1293 SdHoareTripleChecker+Valid, 2260 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:32,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1293 Valid, 2260 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1558 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-23 14:25:32,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2022-11-23 14:25:32,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1505. [2022-11-23 14:25:32,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 926 states have (on average 1.906047516198704) internal successors, (1765), 1496 states have internal predecessors, (1765), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 1787 transitions. [2022-11-23 14:25:32,775 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 1787 transitions. Word has length 27 [2022-11-23 14:25:32,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:32,775 INFO L495 AbstractCegarLoop]: Abstraction has 1505 states and 1787 transitions. [2022-11-23 14:25:32,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1787 transitions. [2022-11-23 14:25:32,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-23 14:25:32,777 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:32,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:32,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-11-23 14:25:32,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:32,989 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:32,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:32,989 INFO L85 PathProgramCache]: Analyzing trace with hash 810363537, now seen corresponding path program 1 times [2022-11-23 14:25:32,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:32,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760422407] [2022-11-23 14:25:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:32,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:32,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:32,992 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:33,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-23 14:25:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:33,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:25:33,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:33,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:33,317 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:33,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760422407] [2022-11-23 14:25:33,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760422407] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:33,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:33,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:25:33,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350551961] [2022-11-23 14:25:33,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:33,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:25:33,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:33,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:25:33,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:25:33,319 INFO L87 Difference]: Start difference. First operand 1505 states and 1787 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:33,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:33,389 INFO L93 Difference]: Finished difference Result 1505 states and 1783 transitions. [2022-11-23 14:25:33,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:25:33,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2022-11-23 14:25:33,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:33,395 INFO L225 Difference]: With dead ends: 1505 [2022-11-23 14:25:33,395 INFO L226 Difference]: Without dead ends: 1505 [2022-11-23 14:25:33,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:25:33,396 INFO L413 NwaCegarLoop]: 1315 mSDtfsCounter, 1286 mSDsluCounter, 1326 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1297 SdHoareTripleChecker+Valid, 2641 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:33,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1297 Valid, 2641 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:25:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2022-11-23 14:25:33,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1499. [2022-11-23 14:25:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 920 states have (on average 1.9076086956521738) internal successors, (1755), 1490 states have internal predecessors, (1755), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1777 transitions. [2022-11-23 14:25:33,422 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1777 transitions. Word has length 42 [2022-11-23 14:25:33,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:33,422 INFO L495 AbstractCegarLoop]: Abstraction has 1499 states and 1777 transitions. [2022-11-23 14:25:33,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1777 transitions. [2022-11-23 14:25:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-23 14:25:33,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:33,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:33,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:33,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:33,637 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:33,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:33,637 INFO L85 PathProgramCache]: Analyzing trace with hash 2087041861, now seen corresponding path program 1 times [2022-11-23 14:25:33,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:33,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798615913] [2022-11-23 14:25:33,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:33,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:33,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:33,639 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:33,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-23 14:25:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:33,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:25:33,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:34,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:34,194 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:34,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798615913] [2022-11-23 14:25:34,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798615913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:34,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:34,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:25:34,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380296553] [2022-11-23 14:25:34,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:34,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:25:34,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:34,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:25:34,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:34,196 INFO L87 Difference]: Start difference. First operand 1499 states and 1777 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:34,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:34,285 INFO L93 Difference]: Finished difference Result 1545 states and 1823 transitions. [2022-11-23 14:25:34,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:25:34,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-11-23 14:25:34,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:34,289 INFO L225 Difference]: With dead ends: 1545 [2022-11-23 14:25:34,289 INFO L226 Difference]: Without dead ends: 1545 [2022-11-23 14:25:34,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:25:34,290 INFO L413 NwaCegarLoop]: 1323 mSDtfsCounter, 67 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 2551 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:34,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 2551 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:25:34,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2022-11-23 14:25:34,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 1545. [2022-11-23 14:25:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 966 states have (on average 1.8643892339544514) internal successors, (1801), 1536 states have internal predecessors, (1801), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:34,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1823 transitions. [2022-11-23 14:25:34,332 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1823 transitions. Word has length 50 [2022-11-23 14:25:34,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:34,333 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1823 transitions. [2022-11-23 14:25:34,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:34,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1823 transitions. [2022-11-23 14:25:34,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-23 14:25:34,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:34,339 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:34,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:34,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:34,552 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:34,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:34,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1009990608, now seen corresponding path program 1 times [2022-11-23 14:25:34,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:34,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2070486303] [2022-11-23 14:25:34,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:34,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:34,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:34,555 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:34,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-23 14:25:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:34,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 14:25:34,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:34,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:25:34,966 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:25:35,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:25:35,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-23 14:25:35,501 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:25:35,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:25:35,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:35,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:35,541 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:35,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2070486303] [2022-11-23 14:25:35,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2070486303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:35,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:35,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:25:35,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830430393] [2022-11-23 14:25:35,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:35,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:25:35,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:35,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:25:35,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:25:35,543 INFO L87 Difference]: Start difference. First operand 1545 states and 1823 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:39,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:39,714 INFO L93 Difference]: Finished difference Result 1732 states and 1994 transitions. [2022-11-23 14:25:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:25:39,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-11-23 14:25:39,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:39,722 INFO L225 Difference]: With dead ends: 1732 [2022-11-23 14:25:39,723 INFO L226 Difference]: Without dead ends: 1732 [2022-11-23 14:25:39,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:25:39,723 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 1572 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:39,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1588 Valid, 613 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-23 14:25:39,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1732 states. [2022-11-23 14:25:39,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1732 to 1295. [2022-11-23 14:25:39,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 800 states have (on average 1.75) internal successors, (1400), 1286 states have internal predecessors, (1400), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:39,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1422 transitions. [2022-11-23 14:25:39,746 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1422 transitions. Word has length 53 [2022-11-23 14:25:39,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:39,746 INFO L495 AbstractCegarLoop]: Abstraction has 1295 states and 1422 transitions. [2022-11-23 14:25:39,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:39,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1422 transitions. [2022-11-23 14:25:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 14:25:39,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:39,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:39,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-11-23 14:25:39,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:39,962 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:39,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:39,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1993678057, now seen corresponding path program 1 times [2022-11-23 14:25:39,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:39,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216464655] [2022-11-23 14:25:39,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:39,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:39,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:39,966 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:39,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-23 14:25:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:40,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:25:40,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:40,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:25:40,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:25:40,370 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-23 14:25:40,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:40,385 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:40,385 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:40,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216464655] [2022-11-23 14:25:40,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216464655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:40,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:40,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:25:40,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230487756] [2022-11-23 14:25:40,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:40,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:25:40,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:40,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:25:40,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:25:40,388 INFO L87 Difference]: Start difference. First operand 1295 states and 1422 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:44,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:44,417 INFO L93 Difference]: Finished difference Result 1294 states and 1421 transitions. [2022-11-23 14:25:44,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:25:44,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-23 14:25:44,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:44,422 INFO L225 Difference]: With dead ends: 1294 [2022-11-23 14:25:44,422 INFO L226 Difference]: Without dead ends: 1294 [2022-11-23 14:25:44,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:25:44,423 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 4 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3163 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:44,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3163 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1782 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-23 14:25:44,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2022-11-23 14:25:44,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294. [2022-11-23 14:25:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 800 states have (on average 1.74875) internal successors, (1399), 1285 states have internal predecessors, (1399), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1421 transitions. [2022-11-23 14:25:44,443 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1421 transitions. Word has length 58 [2022-11-23 14:25:44,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:44,443 INFO L495 AbstractCegarLoop]: Abstraction has 1294 states and 1421 transitions. [2022-11-23 14:25:44,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:44,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1421 transitions. [2022-11-23 14:25:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-23 14:25:44,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:44,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:44,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:44,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:44,659 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:44,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:44,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1993678056, now seen corresponding path program 1 times [2022-11-23 14:25:44,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:44,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536857225] [2022-11-23 14:25:44,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:44,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:44,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:44,661 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:44,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-23 14:25:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:44,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 14:25:44,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:44,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:25:45,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:25:45,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:25:45,083 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-23 14:25:45,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:25:45,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:45,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:45,110 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:45,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536857225] [2022-11-23 14:25:45,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536857225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:45,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:45,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:25:45,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351872489] [2022-11-23 14:25:45,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:45,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 14:25:45,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:45,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 14:25:45,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:25:45,112 INFO L87 Difference]: Start difference. First operand 1294 states and 1421 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:50,407 INFO L93 Difference]: Finished difference Result 1293 states and 1420 transitions. [2022-11-23 14:25:50,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 14:25:50,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-11-23 14:25:50,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:50,412 INFO L225 Difference]: With dead ends: 1293 [2022-11-23 14:25:50,412 INFO L226 Difference]: Without dead ends: 1293 [2022-11-23 14:25:50,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:25:50,413 INFO L413 NwaCegarLoop]: 1235 mSDtfsCounter, 2 mSDsluCounter, 1958 mSDsCounter, 0 mSdLazyCounter, 1750 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3193 SdHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:50,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3193 Invalid, 1751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1750 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-23 14:25:50,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2022-11-23 14:25:50,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1293. [2022-11-23 14:25:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 799 states have (on average 1.7496871088861077) internal successors, (1398), 1284 states have internal predecessors, (1398), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:25:50,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1420 transitions. [2022-11-23 14:25:50,432 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1420 transitions. Word has length 58 [2022-11-23 14:25:50,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:50,433 INFO L495 AbstractCegarLoop]: Abstraction has 1293 states and 1420 transitions. [2022-11-23 14:25:50,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:25:50,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1420 transitions. [2022-11-23 14:25:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 14:25:50,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:50,434 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:50,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-11-23 14:25:50,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:50,648 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:50,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:50,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1451288354, now seen corresponding path program 1 times [2022-11-23 14:25:50,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:50,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363731445] [2022-11-23 14:25:50,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:50,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:50,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:50,651 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:50,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-23 14:25:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:50,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:25:50,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:51,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:51,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:25:51,009 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:51,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363731445] [2022-11-23 14:25:51,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363731445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:25:51,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:25:51,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:25:51,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973962799] [2022-11-23 14:25:51,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:25:51,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:25:51,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:51,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:25:51,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:25:51,011 INFO L87 Difference]: Start difference. First operand 1293 states and 1420 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:25:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:51,089 INFO L93 Difference]: Finished difference Result 1296 states and 1425 transitions. [2022-11-23 14:25:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:25:51,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-11-23 14:25:51,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:51,094 INFO L225 Difference]: With dead ends: 1296 [2022-11-23 14:25:51,095 INFO L226 Difference]: Without dead ends: 1296 [2022-11-23 14:25:51,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:25:51,096 INFO L413 NwaCegarLoop]: 1234 mSDtfsCounter, 2 mSDsluCounter, 2460 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3694 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:51,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3694 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:25:51,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2022-11-23 14:25:51,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2022-11-23 14:25:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 801 states have (on average 1.749063670411985) internal successors, (1401), 1287 states have internal predecessors, (1401), 11 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:25:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1425 transitions. [2022-11-23 14:25:51,140 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1425 transitions. Word has length 66 [2022-11-23 14:25:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:51,141 INFO L495 AbstractCegarLoop]: Abstraction has 1296 states and 1425 transitions. [2022-11-23 14:25:51,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 14:25:51,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1425 transitions. [2022-11-23 14:25:51,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-23 14:25:51,142 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:51,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:51,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:51,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:51,356 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:51,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:51,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1555032163, now seen corresponding path program 1 times [2022-11-23 14:25:51,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:51,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [831126384] [2022-11-23 14:25:51,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:51,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:51,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:51,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:51,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-23 14:25:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:51,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:25:51,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:51,723 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:25:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:51,826 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:51,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [831126384] [2022-11-23 14:25:51,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [831126384] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:25:51,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1029525516] [2022-11-23 14:25:51,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:51,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:25:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:25:51,829 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:25:51,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2022-11-23 14:25:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:52,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:25:52,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:52,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:25:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:52,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1029525516] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:25:52,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173093488] [2022-11-23 14:25:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:25:52,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:25:52,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:25:52,462 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:25:52,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-23 14:25:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:25:52,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:25:52,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:52,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:52,797 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:25:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:52,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173093488] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:25:52,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 14:25:52,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2022-11-23 14:25:52,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469242222] [2022-11-23 14:25:52,862 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 14:25:52,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:25:52,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:25:52,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:25:52,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:25:52,864 INFO L87 Difference]: Start difference. First operand 1296 states and 1425 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:25:53,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:25:53,179 INFO L93 Difference]: Finished difference Result 1308 states and 1443 transitions. [2022-11-23 14:25:53,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 14:25:53,180 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2022-11-23 14:25:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:25:53,185 INFO L225 Difference]: With dead ends: 1308 [2022-11-23 14:25:53,185 INFO L226 Difference]: Without dead ends: 1308 [2022-11-23 14:25:53,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2022-11-23 14:25:53,186 INFO L413 NwaCegarLoop]: 1234 mSDtfsCounter, 14 mSDsluCounter, 7361 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 8595 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:25:53,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 8595 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:25:53,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-11-23 14:25:53,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 1306. [2022-11-23 14:25:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 810 states have (on average 1.7481481481481482) internal successors, (1416), 1296 states have internal predecessors, (1416), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:25:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1440 transitions. [2022-11-23 14:25:53,216 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1440 transitions. Word has length 67 [2022-11-23 14:25:53,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:25:53,217 INFO L495 AbstractCegarLoop]: Abstraction has 1306 states and 1440 transitions. [2022-11-23 14:25:53,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:25:53,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1440 transitions. [2022-11-23 14:25:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-23 14:25:53,218 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:25:53,218 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:25:53,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:53,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:53,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2022-11-23 14:25:53,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:25:53,832 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:25:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:25:53,833 INFO L85 PathProgramCache]: Analyzing trace with hash 354963614, now seen corresponding path program 2 times [2022-11-23 14:25:53,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:25:53,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614127518] [2022-11-23 14:25:53,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:25:53,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:25:53,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:25:53,835 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:25:53,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-23 14:25:54,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 14:25:54,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:25:54,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:25:54,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:54,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:25:54,688 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:54,689 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:25:54,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614127518] [2022-11-23 14:25:54,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614127518] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:25:54,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [849124771] [2022-11-23 14:25:54,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:25:54,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:25:54,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:25:54,691 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:25:54,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-23 14:25:56,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 14:25:56,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:25:56,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 14:25:56,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:25:56,242 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:56,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:25:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:25:56,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [849124771] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:25:56,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2106019737] [2022-11-23 14:25:56,340 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:25:56,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:25:56,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:25:56,343 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:25:56,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-23 14:26:07,249 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 14:26:07,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:26:07,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-23 14:26:07,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:07,416 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:26:07,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:26:07,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:26:07,949 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:26:07,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:26:08,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:26:08,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:26:08,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:08,248 INFO L321 Elim1Store]: treesize reduction 7, result has 63.2 percent of original size [2022-11-23 14:26:08,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2022-11-23 14:26:08,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2106019737] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:26:08,364 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-23 14:26:08,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 11] total 24 [2022-11-23 14:26:08,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570092977] [2022-11-23 14:26:08,364 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-23 14:26:08,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-23 14:26:08,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:26:08,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-23 14:26:08,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=549, Unknown=11, NotChecked=0, Total=650 [2022-11-23 14:26:08,366 INFO L87 Difference]: Start difference. First operand 1306 states and 1440 transitions. Second operand has 24 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:26:31,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:26:31,690 INFO L93 Difference]: Finished difference Result 1597 states and 1727 transitions. [2022-11-23 14:26:31,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-23 14:26:31,691 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 70 [2022-11-23 14:26:31,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:26:31,695 INFO L225 Difference]: With dead ends: 1597 [2022-11-23 14:26:31,696 INFO L226 Difference]: Without dead ends: 1593 [2022-11-23 14:26:31,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 323 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=478, Invalid=2790, Unknown=38, NotChecked=0, Total=3306 [2022-11-23 14:26:31,697 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 2783 mSDsluCounter, 10186 mSDsCounter, 0 mSdLazyCounter, 11184 mSolverCounterSat, 122 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2788 SdHoareTripleChecker+Valid, 10825 SdHoareTripleChecker+Invalid, 11311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 11184 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:26:31,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2788 Valid, 10825 Invalid, 11311 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 11184 Invalid, 5 Unknown, 0 Unchecked, 21.4s Time] [2022-11-23 14:26:31,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-11-23 14:26:31,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1314. [2022-11-23 14:26:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 819 states have (on average 1.7423687423687424) internal successors, (1427), 1304 states have internal predecessors, (1427), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:26:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1451 transitions. [2022-11-23 14:26:31,721 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1451 transitions. Word has length 70 [2022-11-23 14:26:31,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:26:31,722 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 1451 transitions. [2022-11-23 14:26:31,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.782608695652174) internal successors, (133), 23 states have internal predecessors, (133), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:26:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1451 transitions. [2022-11-23 14:26:31,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-23 14:26:31,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:26:31,723 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:26:31,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-23 14:26:31,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2022-11-23 14:26:32,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2022-11-23 14:26:32,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:26:32,339 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:26:32,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:26:32,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1982439487, now seen corresponding path program 1 times [2022-11-23 14:26:32,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:26:32,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254716750] [2022-11-23 14:26:32,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:32,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:26:32,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:26:32,342 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:26:32,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-23 14:26:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:26:32,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 14:26:32,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:32,970 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:32,970 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:33,696 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:33,696 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:26:33,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254716750] [2022-11-23 14:26:33,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254716750] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:26:33,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1188084842] [2022-11-23 14:26:33,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:33,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:26:33,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:26:33,703 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:26:33,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-23 14:26:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:26:34,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 14:26:34,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:34,415 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:34,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1188084842] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:26:34,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199137076] [2022-11-23 14:26:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:26:34,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:26:34,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:26:34,627 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:26:34,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-23 14:26:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:26:35,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-23 14:26:35,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:35,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:36,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199137076] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:26:36,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 14:26:36,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14, 14, 14, 14] total 38 [2022-11-23 14:26:36,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733916063] [2022-11-23 14:26:36,213 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 14:26:36,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-11-23 14:26:36,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:26:36,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-11-23 14:26:36,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=959, Unknown=0, NotChecked=0, Total=1406 [2022-11-23 14:26:36,216 INFO L87 Difference]: Start difference. First operand 1314 states and 1451 transitions. Second operand has 38 states, 38 states have (on average 2.6578947368421053) internal successors, (101), 38 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 14:26:40,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:26:40,322 INFO L93 Difference]: Finished difference Result 1356 states and 1517 transitions. [2022-11-23 14:26:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-23 14:26:40,322 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 2.6578947368421053) internal successors, (101), 38 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 76 [2022-11-23 14:26:40,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:26:40,327 INFO L225 Difference]: With dead ends: 1356 [2022-11-23 14:26:40,327 INFO L226 Difference]: Without dead ends: 1350 [2022-11-23 14:26:40,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1628, Invalid=3342, Unknown=0, NotChecked=0, Total=4970 [2022-11-23 14:26:40,329 INFO L413 NwaCegarLoop]: 1240 mSDtfsCounter, 203 mSDsluCounter, 13609 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 196 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 14849 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-23 14:26:40,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 14849 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-23 14:26:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2022-11-23 14:26:40,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1332. [2022-11-23 14:26:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 837 states have (on average 1.7323775388291518) internal successors, (1450), 1322 states have internal predecessors, (1450), 11 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:26:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1474 transitions. [2022-11-23 14:26:40,352 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1474 transitions. Word has length 76 [2022-11-23 14:26:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:26:40,353 INFO L495 AbstractCegarLoop]: Abstraction has 1332 states and 1474 transitions. [2022-11-23 14:26:40,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.6578947368421053) internal successors, (101), 38 states have internal predecessors, (101), 1 states have call successors, (1), 1 states have call predecessors, (1), 3 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 14:26:40,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1474 transitions. [2022-11-23 14:26:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-23 14:26:40,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:26:40,354 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:26:40,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-23 14:26:40,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-23 14:26:40,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-11-23 14:26:40,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt [2022-11-23 14:26:40,969 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:26:40,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:26:40,970 INFO L85 PathProgramCache]: Analyzing trace with hash -687892609, now seen corresponding path program 2 times [2022-11-23 14:26:40,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:26:40,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940396195] [2022-11-23 14:26:40,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:26:40,970 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:26:40,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:26:40,973 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:26:40,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-23 14:26:41,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 14:26:41,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:26:41,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-23 14:26:41,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:42,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:46,355 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:26:46,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940396195] [2022-11-23 14:26:46,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940396195] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:26:46,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1376672753] [2022-11-23 14:26:46,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:26:46,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:26:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:26:46,357 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:26:46,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2022-11-23 14:26:47,995 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 14:26:47,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:26:48,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-23 14:26:48,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:26:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:48,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:26:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:26:49,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1376672753] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:26:49,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [110703568] [2022-11-23 14:26:49,766 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 14:26:49,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:26:49,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:26:49,767 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:26:49,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-23 14:27:15,165 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 14:27:15,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 14:27:15,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-23 14:27:15,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:27:15,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:27:15,474 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:27:15,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:27:15,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:27:15,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:27:16,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:27:16,039 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 14:27:16,400 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2426 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2426))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2425 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2425)))) is different from true [2022-11-23 14:27:16,414 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2427 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2427))) (exists ((v_ArrVal_2428 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2428) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:27:16,429 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2430 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2430) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2429 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2429))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32)))) is different from true [2022-11-23 14:27:16,443 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2432 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2432))) (exists ((v_ArrVal_2431 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2431) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32)))) is different from true [2022-11-23 14:27:16,630 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2435 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2435))) (exists ((v_ArrVal_2436 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2436)))) is different from true [2022-11-23 14:27:16,940 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2441 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2441))) (exists ((v_ArrVal_2442 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2442) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:27:17,099 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2446 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2446))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2445 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2445)))) is different from true [2022-11-23 14:27:17,608 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2454 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2454) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2453 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2453) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32)))) is different from true [2022-11-23 14:27:17,622 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2455 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2455) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2456 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2456)))) is different from true [2022-11-23 14:27:17,636 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2457 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2457))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2458 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2458)))) is different from true [2022-11-23 14:27:17,650 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2460 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2460))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2459 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2459)))) is different from true [2022-11-23 14:27:17,664 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2462 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2462))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2461 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2461) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:27:17,677 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2464 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2464))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2463 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2463)))) is different from true [2022-11-23 14:27:17,691 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2466 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2466))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2465 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2465)))) is different from true [2022-11-23 14:27:17,740 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:27:17,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:27:17,748 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:27:17,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-23 14:27:17,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:27:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 217 not checked. [2022-11-23 14:27:18,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:27:19,061 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_2514 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_2514) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv16 32) .cse0) (bvadd .cse0 (_ bv20 32))))) (forall ((v_ArrVal_2513 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_2514 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_2514) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv20 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_2513) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-23 14:27:19,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [110703568] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:27:19,069 INFO L184 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2022-11-23 14:27:19,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26, 26, 23] total 72 [2022-11-23 14:27:19,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977455612] [2022-11-23 14:27:19,069 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2022-11-23 14:27:19,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-11-23 14:27:19,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:27:19,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-11-23 14:27:19,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=2832, Unknown=42, NotChecked=1950, Total=5550 [2022-11-23 14:27:19,072 INFO L87 Difference]: Start difference. First operand 1332 states and 1474 transitions. Second operand has 72 states, 71 states have (on average 2.6338028169014085) internal successors, (187), 72 states have internal predecessors, (187), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:28:09,852 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_2430 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2430) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2446 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2446))) (exists ((v_ArrVal_2466 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2466))) (exists ((v_ArrVal_2455 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2455) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2457 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2457))) (exists ((v_ArrVal_2462 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2462))) (exists ((v_ArrVal_2454 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2454) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2453 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2453) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2460 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2460))) (exists ((v_ArrVal_2464 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2464))) (exists ((v_ArrVal_2424 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2424) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2432 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2432))) (exists ((v_ArrVal_2426 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2426))) (exists ((v_ArrVal_2431 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2431) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2429 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2429))) (exists ((v_arrayElimCell_15 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_15) (_ bv44 32))) (exists ((v_ArrVal_2423 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2423) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2463 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2463))) (exists ((v_ArrVal_2441 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2441))) (exists ((v_ArrVal_2465 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2465))) (exists ((v_ArrVal_2459 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2459))) (exists ((v_ArrVal_2427 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2427))) (exists ((v_ArrVal_2456 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2456))) (exists ((v_ArrVal_2425 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2425))) (exists ((v_ArrVal_2445 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2445))) (exists ((v_ArrVal_2435 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2435))) (exists ((v_ArrVal_2458 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2458))) (exists ((v_ArrVal_2442 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2442) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2428 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2428) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_2461 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2461) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_2436 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2436)))) is different from true [2022-11-23 14:29:26,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:29:26,694 INFO L93 Difference]: Finished difference Result 3158 states and 3557 transitions. [2022-11-23 14:29:26,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2022-11-23 14:29:26,695 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 71 states have (on average 2.6338028169014085) internal successors, (187), 72 states have internal predecessors, (187), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 88 [2022-11-23 14:29:26,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:29:26,706 INFO L225 Difference]: With dead ends: 3158 [2022-11-23 14:29:26,706 INFO L226 Difference]: Without dead ends: 3140 [2022-11-23 14:29:26,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 346 SyntacticMatches, 23 SemanticMatches, 182 ConstructedPredicates, 16 IntricatePredicates, 0 DeprecatedPredicates, 7941 ImplicationChecksByTransitivity, 69.7s TimeCoverageRelationStatistics Valid=5909, Invalid=21777, Unknown=434, NotChecked=5552, Total=33672 [2022-11-23 14:29:26,714 INFO L413 NwaCegarLoop]: 672 mSDtfsCounter, 5195 mSDsluCounter, 19276 mSDsCounter, 0 mSdLazyCounter, 27111 mSolverCounterSat, 1021 mSolverCounterUnsat, 835 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5274 SdHoareTripleChecker+Valid, 19948 SdHoareTripleChecker+Invalid, 76219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1021 IncrementalHoareTripleChecker+Valid, 27111 IncrementalHoareTripleChecker+Invalid, 835 IncrementalHoareTripleChecker+Unknown, 47252 IncrementalHoareTripleChecker+Unchecked, 63.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:29:26,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5274 Valid, 19948 Invalid, 76219 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1021 Valid, 27111 Invalid, 835 Unknown, 47252 Unchecked, 63.6s Time] [2022-11-23 14:29:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3140 states. [2022-11-23 14:29:26,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3140 to 1418. [2022-11-23 14:29:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1418 states, 923 states have (on average 1.6782231852654388) internal successors, (1549), 1407 states have internal predecessors, (1549), 11 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:29:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1573 transitions. [2022-11-23 14:29:26,781 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1573 transitions. Word has length 88 [2022-11-23 14:29:26,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:29:26,781 INFO L495 AbstractCegarLoop]: Abstraction has 1418 states and 1573 transitions. [2022-11-23 14:29:26,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 71 states have (on average 2.6338028169014085) internal successors, (187), 72 states have internal predecessors, (187), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:29:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1573 transitions. [2022-11-23 14:29:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-23 14:29:26,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:29:26,784 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:29:26,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-23 14:29:27,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2022-11-23 14:29:27,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-11-23 14:29:27,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:29:27,402 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:29:27,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:29:27,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1161843689, now seen corresponding path program 1 times [2022-11-23 14:29:27,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:29:27,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129571817] [2022-11-23 14:29:27,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:29:27,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:29:27,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:29:27,404 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:29:27,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-23 14:29:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:29:28,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-23 14:29:28,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:29:28,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:29:28,441 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:29:28,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-23 14:29:28,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:29:28,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-11-23 14:29:28,829 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_2882 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2882)))) is different from true [2022-11-23 14:29:28,920 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_2885 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2885)))) is different from true [2022-11-23 14:29:29,186 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_2893 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2893) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:29:29,734 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_2908 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_2908) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:29:30,341 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:29:30,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:29:30,479 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:29:30,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:29:30,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:29:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 780 trivial. 170 not checked. [2022-11-23 14:29:30,561 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:29:30,641 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2923 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_2923) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:29:30,654 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2923 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) v_ArrVal_2923) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (_ bv1 1)))) is different from false [2022-11-23 14:29:30,976 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2969 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_2923 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_2969))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_2923)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:29:30,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:29:30,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129571817] [2022-11-23 14:29:30,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129571817] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:29:30,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2013663565] [2022-11-23 14:29:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:29:30,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:29:30,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:29:30,980 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:29:30,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2022-11-23 14:29:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:29:35,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-23 14:29:35,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:29:35,028 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:29:35,156 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:29:35,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-23 14:29:35,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:29:35,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-11-23 14:29:35,375 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_3336 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_3336) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:29:35,672 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_3344 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_3344)))) is different from true [2022-11-23 14:29:35,727 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_3346 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_3346) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:29:36,783 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3| (_ BitVec 32)) (v_arrayElimCell_23 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| v_arrayElimCell_23))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|))) (not (= v_arrayElimCell_23 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_3|)))) (exists ((v_ArrVal_3377 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_3377)))) is different from true [2022-11-23 14:29:36,849 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:29:36,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:29:36,918 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:29:36,918 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:29:36,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:29:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 780 trivial. 170 not checked. [2022-11-23 14:29:36,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:29:36,974 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3378 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_3378) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (_ bv1 1)))) is different from false [2022-11-23 14:29:37,316 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3424 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_3378 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_3424))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_3378)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-23 14:29:37,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2013663565] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:29:37,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563440036] [2022-11-23 14:29:37,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:29:37,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:29:37,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:29:37,320 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:29:37,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-23 14:29:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:29:37,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 59 conjunts are in the unsatisfiable core [2022-11-23 14:29:37,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:29:38,060 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:29:38,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:29:38,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:29:40,086 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:29:40,086 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:29:42,249 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:29:42,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:29:42,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:29:42,290 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-11-23 14:29:42,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:29:42,316 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3831 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_3831) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:29:42,332 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3831 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) v_ArrVal_3831) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:29:42,677 INFO L321 Elim1Store]: treesize reduction 7, result has 77.4 percent of original size [2022-11-23 14:29:42,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2022-11-23 14:29:42,688 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3831 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_3877 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_main_#t~mem33#1.base| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_3877))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_3831)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) is different from false [2022-11-23 14:29:42,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563440036] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:29:42,690 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:29:42,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 27 [2022-11-23 14:29:42,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36010796] [2022-11-23 14:29:42,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:29:42,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-23 14:29:42,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:29:42,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-23 14:29:42,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=387, Unknown=33, NotChecked=880, Total=1406 [2022-11-23 14:29:42,695 INFO L87 Difference]: Start difference. First operand 1418 states and 1573 transitions. Second operand has 28 states, 25 states have (on average 5.16) internal successors, (129), 27 states have internal predecessors, (129), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:30:04,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:30:04,559 INFO L93 Difference]: Finished difference Result 1690 states and 1831 transitions. [2022-11-23 14:30:04,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-23 14:30:04,559 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 25 states have (on average 5.16) internal successors, (129), 27 states have internal predecessors, (129), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 113 [2022-11-23 14:30:04,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:30:04,563 INFO L225 Difference]: With dead ends: 1690 [2022-11-23 14:30:04,563 INFO L226 Difference]: Without dead ends: 1690 [2022-11-23 14:30:04,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 196 SyntacticMatches, 127 SemanticMatches, 46 ConstructedPredicates, 16 IntricatePredicates, 0 DeprecatedPredicates, 1120 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=197, Invalid=815, Unknown=44, NotChecked=1200, Total=2256 [2022-11-23 14:30:04,564 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 2715 mSDsluCounter, 5811 mSDsCounter, 0 mSdLazyCounter, 6536 mSolverCounterSat, 56 mSolverCounterUnsat, 1153 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2720 SdHoareTripleChecker+Valid, 6449 SdHoareTripleChecker+Invalid, 17751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 6536 IncrementalHoareTripleChecker+Invalid, 1153 IncrementalHoareTripleChecker+Unknown, 10006 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:30:04,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2720 Valid, 6449 Invalid, 17751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [56 Valid, 6536 Invalid, 1153 Unknown, 10006 Unchecked, 21.1s Time] [2022-11-23 14:30:04,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-11-23 14:30:04,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1417. [2022-11-23 14:30:04,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 923 states have (on average 1.677139761646804) internal successors, (1548), 1406 states have internal predecessors, (1548), 11 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:30:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1572 transitions. [2022-11-23 14:30:04,587 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1572 transitions. Word has length 113 [2022-11-23 14:30:04,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:30:04,588 INFO L495 AbstractCegarLoop]: Abstraction has 1417 states and 1572 transitions. [2022-11-23 14:30:04,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 25 states have (on average 5.16) internal successors, (129), 27 states have internal predecessors, (129), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:30:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1572 transitions. [2022-11-23 14:30:04,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-23 14:30:04,589 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:30:04,589 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:30:04,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2022-11-23 14:30:04,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-11-23 14:30:05,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-11-23 14:30:05,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:30:05,204 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:30:05,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:30:05,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1161843688, now seen corresponding path program 1 times [2022-11-23 14:30:05,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:30:05,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [406714112] [2022-11-23 14:30:05,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:30:05,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:30:05,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:30:05,206 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:30:05,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-23 14:30:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:30:06,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 113 conjunts are in the unsatisfiable core [2022-11-23 14:30:06,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:30:06,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:30:06,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:30:06,315 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:30:06,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:30:06,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:30:06,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:30:06,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:30:06,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 14:30:06,757 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4255 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4255))) (exists ((v_ArrVal_4254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4254)))) is different from true [2022-11-23 14:30:06,802 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4259))) (exists ((v_ArrVal_4258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4258) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:06,912 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4266 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4266) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4267 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4267)))) is different from true [2022-11-23 14:30:07,022 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4275 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4275))) (exists ((v_ArrVal_4274 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4274) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32)))) is different from true [2022-11-23 14:30:07,070 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4279 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4279) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4278 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4278)))) is different from true [2022-11-23 14:30:07,082 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4280 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4280))) (exists ((v_ArrVal_4281 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4281) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:07,094 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4283 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4283) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4282 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4282)))) is different from true [2022-11-23 14:30:07,106 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4285 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4285) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_4284 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4284) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:07,215 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4293 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4293) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4292 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4292)))) is different from true [2022-11-23 14:30:07,233 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4295 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4295))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4294 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4294) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:07,248 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4297 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4297))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4296 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4296)))) is different from true [2022-11-23 14:30:07,262 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4298 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4298))) (exists ((v_ArrVal_4299 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4299)))) is different from true [2022-11-23 14:30:07,381 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4306 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4306))) (exists ((v_ArrVal_4307 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4307) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:07,393 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4308 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4308) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4309 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4309) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:07,598 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4320 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4320) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4321 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4321) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:07,649 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_4324 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4324))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4325 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4325)))) is different from true [2022-11-23 14:30:07,701 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_4328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4328) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_4329 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_4329)))) is different from true [2022-11-23 14:30:07,820 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:30:07,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:30:07,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:30:07,964 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:30:07,965 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:30:07,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:30:08,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:30:08,007 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-23 14:30:08,043 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 351 trivial. 612 not checked. [2022-11-23 14:30:08,043 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:30:08,230 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_4333 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4332 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4333) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4332) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)))) (forall ((v_ArrVal_4333 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_4333) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (bvule (bvadd (_ bv4 32) .cse1) (bvadd (_ bv8 32) .cse1)))))) is different from false [2022-11-23 14:30:08,267 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (and (forall ((v_ArrVal_4333 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_4333) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_4333 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4332 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_4333) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_4332) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))))))) is different from false [2022-11-23 14:30:09,288 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_4425 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4424 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4333 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4424) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4425) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_4333) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_4425 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4424 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4333 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_4332 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4425))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_4424) .cse2 v_ArrVal_4333) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_4332) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))))) is different from false [2022-11-23 14:30:09,297 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:30:09,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [406714112] [2022-11-23 14:30:09,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [406714112] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:30:09,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [192889040] [2022-11-23 14:30:09,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:30:09,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:30:09,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:30:09,299 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:30:09,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2022-11-23 14:30:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:30:13,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 75 conjunts are in the unsatisfiable core [2022-11-23 14:30:13,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:30:13,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:30:13,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:30:14,350 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-23 14:30:14,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-23 14:30:14,375 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:30:14,376 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:30:14,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:30:14,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:30:14,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2022-11-23 14:30:14,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:30:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:30:17,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-23 14:30:18,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:30:18,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 60 [2022-11-23 14:30:18,092 INFO L321 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2022-11-23 14:30:18,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 44 [2022-11-23 14:30:18,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2022-11-23 14:30:18,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2022-11-23 14:30:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-11-23 14:30:18,337 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:30:18,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 231 treesize of output 159 [2022-11-23 14:30:22,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [192889040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:30:22,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249549944] [2022-11-23 14:30:22,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:30:22,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:30:22,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:30:22,444 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:30:22,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-11-23 14:30:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:30:23,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 112 conjunts are in the unsatisfiable core [2022-11-23 14:30:23,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:30:23,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:30:23,410 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:30:23,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:30:23,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:30:23,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:30:23,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:30:23,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 14:30:23,583 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5254))) (exists ((v_ArrVal_5253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5253)))) is different from true [2022-11-23 14:30:23,598 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5256 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5256))) (exists ((v_ArrVal_5255 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5255) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:23,649 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5259))) (exists ((v_ArrVal_5260 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5260) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:23,737 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5266 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5266))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5265 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5265) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:23,751 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5267 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5267) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5268 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5268)))) is different from true [2022-11-23 14:30:23,765 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5269 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5269) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5270 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5270)))) is different from true [2022-11-23 14:30:23,780 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5271 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5271))) (exists ((v_ArrVal_5272 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5272)))) is different from true [2022-11-23 14:30:23,795 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5273 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5273))) (exists ((v_ArrVal_5274 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5274) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:23,823 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5275 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5275) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5276 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5276)))) is different from true [2022-11-23 14:30:23,835 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5278 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5278))) (exists ((v_ArrVal_5277 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5277))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32)))) is different from true [2022-11-23 14:30:23,848 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5279 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5279))) (exists ((v_ArrVal_5280 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5280)))) is different from true [2022-11-23 14:30:23,860 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5282 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5282) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5281 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5281) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:23,874 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5284 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5284))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5283 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5283)))) is different from true [2022-11-23 14:30:23,891 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5286 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5286))) (exists ((v_ArrVal_5285 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5285) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:23,906 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5287 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5287))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5288 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5288) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:23,920 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5290 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5290) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5289 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5289) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:23,935 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5292 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5292) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5291 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5291)))) is different from true [2022-11-23 14:30:23,950 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5294 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5294) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5293 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5293)))) is different from true [2022-11-23 14:30:23,965 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5296 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5296))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5295 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5295)))) is different from true [2022-11-23 14:30:23,979 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5297 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5297))) (exists ((v_ArrVal_5298 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5298) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:23,994 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5300 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5300))) (exists ((v_ArrVal_5299 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5299) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:24,008 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5301 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5301))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5302 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5302)))) is different from true [2022-11-23 14:30:24,023 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5303 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5303))) (exists ((v_ArrVal_5304 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5304)))) is different from true [2022-11-23 14:30:24,035 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5306 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5306) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5305 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5305) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:24,048 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5308 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5308) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5307 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5307)))) is different from true [2022-11-23 14:30:24,060 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5309 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5309) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5310 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5310)))) is different from true [2022-11-23 14:30:24,073 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5311 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5311) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5312 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5312) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32)))) is different from true [2022-11-23 14:30:24,086 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5314 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5314))) (exists ((v_ArrVal_5313 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5313)))) is different from true [2022-11-23 14:30:24,106 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5315 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5315) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5316 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5316) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32)))) is different from true [2022-11-23 14:30:24,120 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5317 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5317) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5318 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5318) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:24,132 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5319 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5319) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5320 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5320)))) is different from true [2022-11-23 14:30:24,145 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5322 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5322))) (exists ((v_ArrVal_5321 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5321)))) is different from true [2022-11-23 14:30:24,158 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5323 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5323))) (exists ((v_ArrVal_5324 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5324) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:30:24,176 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5325 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5325) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5326 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5326)))) is different from true [2022-11-23 14:30:24,189 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5328 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5328))) (exists ((v_ArrVal_5327 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5327)))) is different from true [2022-11-23 14:30:24,201 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5329 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5329))) (exists ((v_ArrVal_5330 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5330) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:24,216 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5332 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5332))) (exists ((v_ArrVal_5331 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5331) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:30:24,230 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5334 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5334) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_5333 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5333)))) is different from true [2022-11-23 14:30:24,242 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5336 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5336) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5335 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5335)))) is different from true [2022-11-23 14:30:24,257 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32))) (exists ((v_ArrVal_5337 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5337))) (exists ((v_ArrVal_5338 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5338)))) is different from true [2022-11-23 14:30:24,273 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5340 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5340))) (exists ((v_ArrVal_5339 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5339))) (exists ((v_arrayElimCell_42 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_42) (_ bv44 32)))) is different from true [2022-11-23 14:30:24,326 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:30:24,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:30:24,338 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:30:24,415 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:30:24,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:30:24,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:30:24,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:30:24,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-23 14:30:24,469 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 984 not checked. [2022-11-23 14:30:24,470 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:30:24,550 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_5341 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5342 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_5341) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_5342) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)))) (forall ((v_ArrVal_5341 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_5341) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (bvule (bvadd (_ bv4 32) .cse1) (bvadd (_ bv8 32) .cse1)))))) is different from false [2022-11-23 14:30:24,595 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (and (forall ((v_ArrVal_5341 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5342 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_5341) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_5342) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (forall ((v_ArrVal_5341 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_5341) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse2) (bvadd (_ bv8 32) .cse2))))))) is different from false [2022-11-23 14:30:25,593 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_5433 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5434 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5341 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5434) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5433) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_5341) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv4 32) .cse0) (bvadd (_ bv8 32) .cse0)))) (forall ((v_ArrVal_5433 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5434 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5341 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5342 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5433))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5434) .cse2 v_ArrVal_5341) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_5342) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))))) is different from false [2022-11-23 14:30:25,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249549944] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:30:25,604 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:30:25,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 11, 51] total 78 [2022-11-23 14:30:25,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311034524] [2022-11-23 14:30:25,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:30:25,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-11-23 14:30:25,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:30:25,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-11-23 14:30:25,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=611, Unknown=93, NotChecked=7104, Total=8010 [2022-11-23 14:30:25,607 INFO L87 Difference]: Start difference. First operand 1417 states and 1572 transitions. Second operand has 79 states, 76 states have (on average 3.0657894736842106) internal successors, (233), 79 states have internal predecessors, (233), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:30:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:30:57,142 INFO L93 Difference]: Finished difference Result 2238 states and 2422 transitions. [2022-11-23 14:30:57,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 14:30:57,142 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 76 states have (on average 3.0657894736842106) internal successors, (233), 79 states have internal predecessors, (233), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 113 [2022-11-23 14:30:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:30:57,147 INFO L225 Difference]: With dead ends: 2238 [2022-11-23 14:30:57,147 INFO L226 Difference]: Without dead ends: 2238 [2022-11-23 14:30:57,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 194 SyntacticMatches, 77 SemanticMatches, 98 ConstructedPredicates, 64 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=310, Invalid=1085, Unknown=121, NotChecked=8384, Total=9900 [2022-11-23 14:30:57,149 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 4632 mSDsluCounter, 4710 mSDsCounter, 0 mSdLazyCounter, 9965 mSolverCounterSat, 82 mSolverCounterUnsat, 997 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4637 SdHoareTripleChecker+Valid, 5154 SdHoareTripleChecker+Invalid, 83762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 9965 IncrementalHoareTripleChecker+Invalid, 997 IncrementalHoareTripleChecker+Unknown, 72718 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:30:57,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4637 Valid, 5154 Invalid, 83762 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [82 Valid, 9965 Invalid, 997 Unknown, 72718 Unchecked, 29.6s Time] [2022-11-23 14:30:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2022-11-23 14:30:57,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 1416. [2022-11-23 14:30:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1416 states, 923 states have (on average 1.676056338028169) internal successors, (1547), 1405 states have internal predecessors, (1547), 11 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:30:57,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1571 transitions. [2022-11-23 14:30:57,173 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1571 transitions. Word has length 113 [2022-11-23 14:30:57,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:30:57,173 INFO L495 AbstractCegarLoop]: Abstraction has 1416 states and 1571 transitions. [2022-11-23 14:30:57,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 76 states have (on average 3.0657894736842106) internal successors, (233), 79 states have internal predecessors, (233), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:30:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1571 transitions. [2022-11-23 14:30:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-23 14:30:57,175 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:30:57,175 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:30:57,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2022-11-23 14:30:57,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-11-23 14:30:57,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-23 14:30:57,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:30:57,790 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:30:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:30:57,790 INFO L85 PathProgramCache]: Analyzing trace with hash 656378533, now seen corresponding path program 1 times [2022-11-23 14:30:57,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:30:57,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12782025] [2022-11-23 14:30:57,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:30:57,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:30:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:30:57,792 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:30:57,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-23 14:30:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:30:58,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-23 14:30:58,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:30:58,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:30:59,056 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:30:59,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-23 14:30:59,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:30:59,190 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-11-23 14:30:59,265 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5814 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5814)))) is different from true [2022-11-23 14:30:59,357 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817)))) is different from true [2022-11-23 14:30:59,884 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:00,208 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841)))) is different from true [2022-11-23 14:31:00,801 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:00,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:31:00,924 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:00,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:31:01,022 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:01,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:31:01,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:31:01,093 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 780 trivial. 170 not checked. [2022-11-23 14:31:01,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:31:05,307 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5858 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5859 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_5858))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_5859)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-23 14:31:05,321 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5858 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5859 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_5858))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_5859)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:31:05,651 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_5858 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5859 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_5905 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv1 1) (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_5905))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_5858)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_5859)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (_ bv0 1))) is different from false [2022-11-23 14:31:05,656 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:31:05,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12782025] [2022-11-23 14:31:05,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12782025] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:31:05,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1465568177] [2022-11-23 14:31:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:31:05,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:31:05,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:31:05,658 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:31:05,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2022-11-23 14:31:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:31:30,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-23 14:31:30,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:31:30,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:31:30,518 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:31:30,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-23 14:31:30,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:31:30,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-11-23 14:31:30,688 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6285 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6285) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:32,172 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:32,236 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:32,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:31:32,327 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:32,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:31:32,384 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:32,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:31:32,408 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:31:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 861 trivial. 87 not checked. [2022-11-23 14:31:32,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:31:32,436 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6330 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_6330) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (_ bv1 1)))) is different from false [2022-11-23 14:31:32,447 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6330 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) v_ArrVal_6330) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)))))) is different from false [2022-11-23 14:31:32,465 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6329 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6330 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_6329))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_6330)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:31:32,480 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6329 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6330 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_6329))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_6330)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:31:32,784 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6329 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6330 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6376 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_6376))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_6329)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_6330)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:31:32,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1465568177] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:31:32,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838467944] [2022-11-23 14:31:32,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:31:32,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:31:32,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:31:32,790 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:31:32,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-11-23 14:31:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:31:33,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-23 14:31:33,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:31:33,722 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:31:33,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:31:33,758 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:31:33,912 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6754 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6754))) is different from true [2022-11-23 14:31:33,917 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6755 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6755))) is different from true [2022-11-23 14:31:33,923 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6756 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6756) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:33,929 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6757 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6757) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:33,936 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6758 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6758))) is different from true [2022-11-23 14:31:33,942 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6759 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6759))) is different from true [2022-11-23 14:31:33,948 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6760 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6760) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:33,955 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6761 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6761))) is different from true [2022-11-23 14:31:33,961 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6762 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6762))) is different from true [2022-11-23 14:31:33,968 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6763 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6763) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:33,974 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6764 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6764))) is different from true [2022-11-23 14:31:33,980 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6765 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6765) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:33,986 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6766 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6766))) is different from true [2022-11-23 14:31:33,992 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6767 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6767) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:33,999 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6768 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6768))) is different from true [2022-11-23 14:31:34,005 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6769 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6769))) is different from true [2022-11-23 14:31:34,011 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6770 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6770) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,018 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6771 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6771))) is different from true [2022-11-23 14:31:34,024 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6772 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6772))) is different from true [2022-11-23 14:31:34,030 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6773 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6773))) is different from true [2022-11-23 14:31:34,035 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6774 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6774))) is different from true [2022-11-23 14:31:34,040 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6775 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6775) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,046 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6776 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6776) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,051 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6777 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6777))) is different from true [2022-11-23 14:31:34,056 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6778 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6778))) is different from true [2022-11-23 14:31:34,062 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6779 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6779) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,067 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6780 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6780) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,072 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6781 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6781))) is different from true [2022-11-23 14:31:34,077 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6782 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6782))) is different from true [2022-11-23 14:31:34,083 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6783 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6783))) is different from true [2022-11-23 14:31:34,088 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6784 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6784))) is different from true [2022-11-23 14:31:34,093 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6785 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6785))) is different from true [2022-11-23 14:31:34,099 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6786 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6786))) is different from true [2022-11-23 14:31:34,104 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6787 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6787) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,109 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6788 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6788) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,114 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6789 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6789))) is different from true [2022-11-23 14:31:34,120 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6790 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6790))) is different from true [2022-11-23 14:31:34,125 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6791 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6791) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,131 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6792 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6792))) is different from true [2022-11-23 14:31:34,136 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6793 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6793))) is different from true [2022-11-23 14:31:34,142 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6794 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6794) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,147 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6795 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6795))) is different from true [2022-11-23 14:31:34,153 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6796 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6796))) is different from true [2022-11-23 14:31:34,158 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_6797 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6797) |c_#memory_$Pointer$.base|)) is different from true [2022-11-23 14:31:34,185 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:34,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-23 14:31:34,284 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:34,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 26 [2022-11-23 14:31:34,380 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:31:34,381 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:31:36,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:31:36,472 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 990 not checked. [2022-11-23 14:31:36,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:31:36,517 INFO L321 Elim1Store]: treesize reduction 7, result has 63.2 percent of original size [2022-11-23 14:31:36,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2022-11-23 14:31:36,525 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6799 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_6799) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)) |c_ULTIMATE.start_main_#t~mem36#1.base|)) is different from false [2022-11-23 14:31:36,535 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6799 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (= .cse0 (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_6799) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))))) is different from false [2022-11-23 14:31:36,552 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6798 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6799 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_6798)) (.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (= .cse0 (select (select (store .cse1 .cse0 v_ArrVal_6799) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))))) is different from false [2022-11-23 14:31:36,565 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6798 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6799 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse1 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) v_ArrVal_6798))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (= .cse0 (select (select (store .cse1 .cse0 v_ArrVal_6799) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2)))))) is different from false [2022-11-23 14:31:36,875 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_6845 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6798 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_6799 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_6845))) (store .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) v_ArrVal_6798)))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (= (select (select (store .cse0 .cse1 v_ArrVal_6799) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) .cse1))))) is different from false [2022-11-23 14:31:36,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838467944] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:31:36,879 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:31:36,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 55] total 69 [2022-11-23 14:31:36,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897679901] [2022-11-23 14:31:36,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:31:36,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-11-23 14:31:36,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:31:36,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-11-23 14:31:36,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=464, Unknown=88, NotChecked=6552, Total=7310 [2022-11-23 14:31:36,881 INFO L87 Difference]: Start difference. First operand 1416 states and 1571 transitions. Second operand has 70 states, 67 states have (on average 2.5671641791044775) internal successors, (172), 70 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:31:38,143 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5814 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5814))) (exists ((v_ArrVal_6285 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6285) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6754 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6754)))) is different from true [2022-11-23 14:31:38,147 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6755 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6755))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,152 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6756 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6756) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,227 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6758 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6758))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,232 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6759 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6759))) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,236 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6760 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6760) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,241 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6761 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6761))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,245 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6762 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6762))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,250 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6763 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6763) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,254 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6764 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6764))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,258 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6765 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6765) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,263 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_6766 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6766))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,268 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6767 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6767) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,272 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6768 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6768))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,277 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6769 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6769))) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,281 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6770 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6770) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,285 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6771 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6771))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,291 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6772 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6772))) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,295 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6773 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6773))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,300 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6774 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6774))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,304 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6775 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6775) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,324 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6776 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6776) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,329 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6777 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6777))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,334 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6778 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6778))) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,340 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6779 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6779) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,345 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_6780 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6780) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,350 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6781 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6781))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,356 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6782 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6782)))) is different from true [2022-11-23 14:31:38,361 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6783 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6783))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,366 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6784 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6784))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,371 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6785 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6785))) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,377 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6786 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6786))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,382 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6787 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6787) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,389 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6788 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6788) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,394 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6789 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6789))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,399 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6790 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6790))) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,404 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6791 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6791) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,409 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6792 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6792))) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,415 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6793 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6793))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,420 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_6794 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6794) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,425 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6795 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6795))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,430 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6796 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6796))) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,435 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6797 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6797) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,440 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_5832 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5832) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5817 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5817))) (exists ((v_ArrVal_5841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5841))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,445 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_6797 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6797) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:31:38,471 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_5815 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_5815) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_73 (_ BitVec 32)) (|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9| (_ BitVec 32))) (and (= (bvadd (_ bv1 1) (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (_ bv0 1)) (not (= v_arrayElimCell_73 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_9|)) (= (bvadd (select |c_#valid| v_arrayElimCell_73) (_ bv1 1)) (_ bv0 1)))) (exists ((v_ArrVal_6328 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_6328) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:08,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:32:08,971 INFO L93 Difference]: Finished difference Result 3033 states and 3315 transitions. [2022-11-23 14:32:08,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2022-11-23 14:32:08,971 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 67 states have (on average 2.5671641791044775) internal successors, (172), 70 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 116 [2022-11-23 14:32:08,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:32:08,976 INFO L225 Difference]: With dead ends: 3033 [2022-11-23 14:32:08,976 INFO L226 Difference]: Without dead ends: 3033 [2022-11-23 14:32:08,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 207 SyntacticMatches, 85 SemanticMatches, 137 ConstructedPredicates, 109 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=362, Invalid=803, Unknown=141, NotChecked=17876, Total=19182 [2022-11-23 14:32:08,979 INFO L413 NwaCegarLoop]: 1145 mSDtfsCounter, 2804 mSDsluCounter, 9379 mSDsCounter, 0 mSdLazyCounter, 10127 mSolverCounterSat, 57 mSolverCounterUnsat, 1889 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2820 SdHoareTripleChecker+Valid, 10524 SdHoareTripleChecker+Invalid, 118961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 10127 IncrementalHoareTripleChecker+Invalid, 1889 IncrementalHoareTripleChecker+Unknown, 106888 IncrementalHoareTripleChecker+Unchecked, 30.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:32:08,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2820 Valid, 10524 Invalid, 118961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [57 Valid, 10127 Invalid, 1889 Unknown, 106888 Unchecked, 30.9s Time] [2022-11-23 14:32:08,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3033 states. [2022-11-23 14:32:08,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3033 to 1415. [2022-11-23 14:32:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1415 states, 923 states have (on average 1.6749729144095342) internal successors, (1546), 1404 states have internal predecessors, (1546), 11 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:32:09,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1570 transitions. [2022-11-23 14:32:09,003 INFO L78 Accepts]: Start accepts. Automaton has 1415 states and 1570 transitions. Word has length 116 [2022-11-23 14:32:09,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:32:09,004 INFO L495 AbstractCegarLoop]: Abstraction has 1415 states and 1570 transitions. [2022-11-23 14:32:09,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 67 states have (on average 2.5671641791044775) internal successors, (172), 70 states have internal predecessors, (172), 2 states have call successors, (2), 2 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:32:09,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1570 transitions. [2022-11-23 14:32:09,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-23 14:32:09,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:32:09,006 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:32:09,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-11-23 14:32:09,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2022-11-23 14:32:09,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-11-23 14:32:09,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:32:09,621 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:32:09,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:32:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash 656378534, now seen corresponding path program 1 times [2022-11-23 14:32:09,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:32:09,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [996163546] [2022-11-23 14:32:09,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:32:09,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:32:09,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:32:09,624 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:32:09,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-23 14:32:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:32:10,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-23 14:32:10,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:32:10,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:32:11,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:32:11,147 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:32:11,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:32:11,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:32:11,184 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:32:11,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2022-11-23 14:32:11,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:32:11,448 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7229 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7229))) (exists ((v_ArrVal_7230 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7230) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:11,567 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7238 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7238))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7237 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7237) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:11,616 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7241 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7241) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7242 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7242) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:32:11,664 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7246))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7245 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7245)))) is different from true [2022-11-23 14:32:11,712 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7250) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7249)))) is different from true [2022-11-23 14:32:11,761 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7253))) (exists ((v_ArrVal_7254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7254)))) is different from true [2022-11-23 14:32:11,809 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7258) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7257 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7257)))) is different from true [2022-11-23 14:32:11,823 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7259))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7260 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7260) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:32:11,835 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7262 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7262) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7261 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7261)))) is different from true [2022-11-23 14:32:11,867 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7264 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7264))) (exists ((v_ArrVal_7263 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7263)))) is different from true [2022-11-23 14:32:11,879 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7265 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7265) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7266 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7266)))) is different from true [2022-11-23 14:32:11,890 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7267 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7267) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7268 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7268) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:11,902 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7270 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7270))) (exists ((v_ArrVal_7269 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7269)))) is different from true [2022-11-23 14:32:11,913 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7271 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7271))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7272 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7272)))) is different from true [2022-11-23 14:32:11,925 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7274 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7274))) (exists ((v_ArrVal_7273 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7273) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:11,937 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7275 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7275))) (exists ((v_ArrVal_7276 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7276) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:11,948 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7277 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7277) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7278 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7278)))) is different from true [2022-11-23 14:32:11,960 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7279 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7279))) (exists ((v_ArrVal_7280 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7280)))) is different from true [2022-11-23 14:32:11,971 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7282 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7282))) (exists ((v_ArrVal_7281 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7281) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:11,987 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7283 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7283) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7284 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7284) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:12,001 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7285 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7285))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7286 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7286)))) is different from true [2022-11-23 14:32:12,015 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7288 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7288))) (exists ((v_ArrVal_7287 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7287)))) is different from true [2022-11-23 14:32:12,029 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7289 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7289) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7290 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7290) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:12,043 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7291 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7291))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7292 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7292)))) is different from true [2022-11-23 14:32:12,056 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7293 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7293))) (exists ((v_ArrVal_7294 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7294)))) is different from true [2022-11-23 14:32:12,070 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7295 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7295))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7296 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7296)))) is different from true [2022-11-23 14:32:12,082 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7298 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7298))) (exists ((v_ArrVal_7297 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7297)))) is different from true [2022-11-23 14:32:12,093 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7300 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7300) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7299 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7299)))) is different from true [2022-11-23 14:32:12,105 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7302 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7302))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7301 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7301)))) is different from true [2022-11-23 14:32:12,116 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7304 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7304) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7303 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7303) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:12,128 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7306 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7306) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7305 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7305)))) is different from true [2022-11-23 14:32:12,140 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7308 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7308) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7307 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7307)))) is different from true [2022-11-23 14:32:12,152 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7310 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7310))) (exists ((v_ArrVal_7309 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7309)))) is different from true [2022-11-23 14:32:12,164 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7311 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7311))) (exists ((v_ArrVal_7312 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7312)))) is different from true [2022-11-23 14:32:12,175 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7314 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7314))) (exists ((v_ArrVal_7313 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7313) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:32:12,224 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:32:12,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:32:12,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:32:12,361 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:32:12,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:32:12,371 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:32:12,483 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:32:12,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:32:12,494 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:32:12,523 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2022-11-23 14:32:12,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:32:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 36 trivial. 945 not checked. [2022-11-23 14:32:12,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:32:12,755 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd .cse0 (_ bv8 32)) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7318 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_7318) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-23 14:32:12,792 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (and (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (_ bv8 32) .cse0) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7318 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_7318) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))))))) is different from false [2022-11-23 14:32:12,866 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7316 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7315) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7316) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) .cse0) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7318 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7316 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7316))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7315) .cse2 v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv12 32)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_7318) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))))) is different from false [2022-11-23 14:32:12,922 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (and (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7316 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7315) (select (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_7316) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd .cse0 (_ bv8 32)) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7318 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7316 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_7316))) (let ((.cse3 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_7315) .cse3 v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) (_ bv12 32)) (select |c_#length| (select (select (store .cse4 .cse3 v_ArrVal_7318) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))))))))) is different from false [2022-11-23 14:32:13,966 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_7409 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7316 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7410 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_7409))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_7410) .cse1 v_ArrVal_7315) (select (select (store .cse2 .cse1 v_ArrVal_7316) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) v_ArrVal_7317))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd .cse0 (_ bv8 32)) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_7409 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7317 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7318 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7315 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7316 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7410 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_7409))) (let ((.cse4 (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (let ((.cse6 (store .cse7 .cse4 v_ArrVal_7316))) (let ((.cse5 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_7410) .cse4 v_ArrVal_7315) .cse5 v_ArrVal_7317) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv12 32)) (select |c_#length| (select (select (store .cse6 .cse5 v_ArrVal_7318) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)))))))))) is different from false [2022-11-23 14:32:13,978 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:32:13,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [996163546] [2022-11-23 14:32:13,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [996163546] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:32:13,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [627660500] [2022-11-23 14:32:13,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:32:13,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:32:13,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:32:13,980 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:32:13,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2022-11-23 14:34:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:34:30,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-23 14:34:30,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:34:30,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:34:31,053 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:34:31,054 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:34:31,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:34:31,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:34:31,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:34:31,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:34:31,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 14:34:31,351 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7792 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7792))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7793 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7793)))) is different from true [2022-11-23 14:34:31,363 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7795 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7795))) (exists ((v_ArrVal_7794 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7794) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32)))) is different from true [2022-11-23 14:34:31,380 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7797 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7797) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7796 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7796)))) is different from true [2022-11-23 14:34:31,424 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7800 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7800))) (exists ((v_ArrVal_7801 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7801) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32)))) is different from true [2022-11-23 14:34:31,436 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7802 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7802))) (exists ((v_ArrVal_7803 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7803) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:31,479 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7807 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7807))) (exists ((v_ArrVal_7806 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7806)))) is different from true [2022-11-23 14:34:31,523 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7810 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7810))) (exists ((v_ArrVal_7811 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7811)))) is different from true [2022-11-23 14:34:31,535 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7813 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7813))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7812 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7812)))) is different from true [2022-11-23 14:34:31,547 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7814 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7814))) (exists ((v_ArrVal_7815 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7815)))) is different from true [2022-11-23 14:34:31,559 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7816 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7816) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7817 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7817) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:31,601 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7820 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7820) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7821 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7821)))) is different from true [2022-11-23 14:34:31,614 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7823 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7823))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7822 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7822)))) is different from true [2022-11-23 14:34:31,676 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7826 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7826))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7827 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7827)))) is different from true [2022-11-23 14:34:31,780 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7835 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7835) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7834 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7834)))) is different from true [2022-11-23 14:34:31,853 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7841))) (exists ((v_ArrVal_7840 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7840)))) is different from true [2022-11-23 14:34:31,928 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7847 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7847))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7846 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7846)))) is different from true [2022-11-23 14:34:31,971 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7850 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7850))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7851 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7851)))) is different from true [2022-11-23 14:34:32,015 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7854 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7854))) (exists ((v_ArrVal_7855 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7855)))) is different from true [2022-11-23 14:34:32,027 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7856 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7856) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7857 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7857)))) is different from true [2022-11-23 14:34:32,102 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7863 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7863))) (exists ((v_ArrVal_7862 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7862) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:34:32,113 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7865 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7865) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7864 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7864)))) is different from true [2022-11-23 14:34:32,157 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7868 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7868))) (exists ((v_ArrVal_7869 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7869)))) is different from true [2022-11-23 14:34:32,200 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7873 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7873) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7872 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7872)))) is different from true [2022-11-23 14:34:32,213 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7875 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7875) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7874 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7874)))) is different from true [2022-11-23 14:34:32,225 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7877 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7877) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7876 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7876) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:34:32,298 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:34:32,298 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:34:32,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:34:32,478 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:34:32,479 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:34:32,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:34:32,608 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:34:32,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:34:32,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:34:32,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:34:32,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-23 14:34:32,656 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 171 trivial. 800 not checked. [2022-11-23 14:34:32,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:34:32,730 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7882 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_7882) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)))) (forall ((v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (bvule (bvadd (_ bv8 32) .cse1) (bvadd .cse1 (_ bv12 32))))))) is different from false [2022-11-23 14:34:32,778 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (and (forall ((v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7882 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_7882) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (forall ((v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) .cse2) (bvadd .cse2 (_ bv12 32)))))))) is different from false [2022-11-23 14:34:32,838 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_7880 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7881 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7881) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7880) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) .cse0) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_7880 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7882 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7881 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7880))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_7881) .cse2 v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv12 32)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_7882) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))))) is different from false [2022-11-23 14:34:32,887 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (and (forall ((v_ArrVal_7880 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7882 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7881 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_7880))) (let ((.cse1 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (_ bv12 32) (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_7881) .cse1 v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2)) (select |c_#length| (select (select (store .cse3 .cse1 v_ArrVal_7882) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2)))))) (forall ((v_ArrVal_7880 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7883 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_7881 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (select (select (store (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_7881) (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_7880) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) v_ArrVal_7883) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (_ bv8 32) .cse4) (bvadd (_ bv12 32) .cse4))))))) is different from false [2022-11-23 14:34:40,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [627660500] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:34:40,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439559101] [2022-11-23 14:34:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:34:40,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:34:40,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:34:40,486 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:34:40,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-11-23 14:34:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:34:41,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 117 conjunts are in the unsatisfiable core [2022-11-23 14:34:41,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:34:41,631 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:34:41,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:34:41,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:34:41,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:34:41,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:34:41,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:34:41,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 14:34:41,868 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8357 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8357) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8356 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8356) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:41,889 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8358 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8358))) (exists ((v_ArrVal_8359 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8359)))) is different from true [2022-11-23 14:34:41,909 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8360 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8360) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8361 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8361)))) is different from true [2022-11-23 14:34:41,929 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8362 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8362))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8363 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8363)))) is different from true [2022-11-23 14:34:41,950 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8365 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8365))) (exists ((v_ArrVal_8364 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8364)))) is different from true [2022-11-23 14:34:41,970 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8367 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8367))) (exists ((v_ArrVal_8366 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8366)))) is different from true [2022-11-23 14:34:41,990 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8368 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8368))) (exists ((v_ArrVal_8369 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8369) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,010 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8370 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8370))) (exists ((v_ArrVal_8371 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8371)))) is different from true [2022-11-23 14:34:42,030 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8373 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8373))) (exists ((v_ArrVal_8372 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8372)))) is different from true [2022-11-23 14:34:42,051 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8374 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8374) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_8375 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8375) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32)))) is different from true [2022-11-23 14:34:42,071 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8376 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8376) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8377 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8377)))) is different from true [2022-11-23 14:34:42,092 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8379 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8379))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8378 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8378) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,112 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8381 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8381))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8380 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8380)))) is different from true [2022-11-23 14:34:42,133 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8383 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8383))) (exists ((v_ArrVal_8382 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8382)))) is different from true [2022-11-23 14:34:42,170 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8385 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8385) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8384 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8384)))) is different from true [2022-11-23 14:34:42,191 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8386 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8386) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8387 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8387) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,211 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8389 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8389) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8388 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8388) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,232 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8390 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8390) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8391 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8391) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,253 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8393 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8393) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8392 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8392) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,274 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8394 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8394))) (exists ((v_ArrVal_8395 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8395) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,295 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8397 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8397))) (exists ((v_ArrVal_8396 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8396) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,317 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8398 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8398) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8399 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8399) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,343 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8400 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8400))) (exists ((v_ArrVal_8401 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8401) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:34:42,368 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8402 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8402) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8403 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8403) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,390 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8405 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8405) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_8404 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8404)))) is different from true [2022-11-23 14:34:42,411 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8407 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8407))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8406 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8406) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:34:42,432 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8408 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8408) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8409 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8409) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,452 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8410 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8410))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8411 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8411)))) is different from true [2022-11-23 14:34:42,473 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8413 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8413))) (exists ((v_ArrVal_8412 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8412)))) is different from true [2022-11-23 14:34:42,494 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8415 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8415) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8414 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8414)))) is different from true [2022-11-23 14:34:42,514 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8417 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8417))) (exists ((v_ArrVal_8416 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8416)))) is different from true [2022-11-23 14:34:42,535 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8419 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8419))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8418 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8418)))) is different from true [2022-11-23 14:34:42,556 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8421 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8421) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_8420 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8420)))) is different from true [2022-11-23 14:34:42,577 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8423 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8423))) (exists ((v_ArrVal_8422 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8422)))) is different from true [2022-11-23 14:34:42,597 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8425 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8425))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8424 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8424) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:34:42,618 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8426 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8426))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8427 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8427)))) is different from true [2022-11-23 14:34:42,639 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8428 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8428))) (exists ((v_ArrVal_8429 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8429) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,659 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8430 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8430) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8431 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8431)))) is different from true [2022-11-23 14:34:42,680 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8433 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8433) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8432 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8432)))) is different from true [2022-11-23 14:34:42,700 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8434 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8434))) (exists ((v_ArrVal_8435 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8435)))) is different from true [2022-11-23 14:34:42,720 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8436 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8436) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_8437 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8437)))) is different from true [2022-11-23 14:34:42,741 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8438 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8438))) (exists ((v_ArrVal_8439 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8439) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,761 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8441 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8441) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8440 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8440) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:34:42,783 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_8442 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8442))) (exists ((v_ArrVal_8443 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8443)))) is different from true [2022-11-23 14:34:42,857 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:34:42,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:34:42,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:34:43,027 INFO L321 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2022-11-23 14:34:43,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 37 [2022-11-23 14:34:43,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:34:43,437 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-23 14:34:43,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 61 treesize of output 52 [2022-11-23 14:34:43,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-23 14:34:43,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:34:43,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:34:43,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-23 14:34:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 990 not checked. [2022-11-23 14:34:43,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:34:43,626 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) .cse0) (bvadd .cse0 (_ bv12 32))))) (forall ((v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8447 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_8447) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-23 14:34:43,667 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (and (forall ((v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8447 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv12 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_8447) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (forall ((v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd .cse2 (_ bv8 32)) (bvadd .cse2 (_ bv12 32)))))))) is different from false [2022-11-23 14:34:43,766 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base|)) (.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((|ULTIMATE.start_main_#t~mem35#1.offset| (_ BitVec 32)) (v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8447 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8446 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| (store .cse3 (bvadd (_ bv16 32) |ULTIMATE.start_main_#t~mem35#1.offset|) |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse0 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv12 32) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_8446) .cse0 v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)) (select |c_#length| (select (select (store .cse2 .cse0 v_ArrVal_8447) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) (forall ((|ULTIMATE.start_main_#t~mem35#1.offset| (_ BitVec 32)) (v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8446 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_8446) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| (store .cse3 (bvadd (_ bv16 32) |ULTIMATE.start_main_#t~mem35#1.offset|) |c_ULTIMATE.start_main_~user~0#1.base|)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv8 32) .cse4) (bvadd (_ bv12 32) .cse4)))))) is different from false [2022-11-23 14:34:43,867 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (let ((.cse2 (select |c_#memory_$Pointer$.base| .cse1))) (and (forall ((|ULTIMATE.start_main_#t~mem35#1.offset| (_ BitVec 32)) (v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8446 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_8446) (select (select (store |c_#memory_$Pointer$.base| .cse1 (store .cse2 (bvadd (_ bv16 32) |ULTIMATE.start_main_#t~mem35#1.offset|) |c_ULTIMATE.start_main_~user~0#1.base|)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd .cse0 (_ bv8 32)) (bvadd .cse0 (_ bv12 32))))) (forall ((|ULTIMATE.start_main_#t~mem35#1.offset| (_ BitVec 32)) (v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8447 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8446 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (store |c_#memory_$Pointer$.base| .cse1 (store .cse2 (bvadd (_ bv16 32) |ULTIMATE.start_main_#t~mem35#1.offset|) |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse4 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| .cse1 v_ArrVal_8446) .cse4 v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv12 32)) (select |c_#length| (select (select (store .cse5 .cse4 v_ArrVal_8447) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)))))))))) is different from false [2022-11-23 14:34:45,179 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_8540 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8539 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_main_#t~mem35#1.offset| (_ BitVec 32)) (v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8447 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8446 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_8539))) (let ((.cse0 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (let ((.cse3 (store .cse4 .cse0 (store (select .cse4 .cse0) (bvadd (_ bv16 32) |ULTIMATE.start_main_#t~mem35#1.offset|) |c_ULTIMATE.start_main_~user~0#1.base|)))) (let ((.cse1 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_8540) .cse0 v_ArrVal_8446) .cse1 v_ArrVal_8448) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) (_ bv12 32)) (select |c_#length| (select (select (store .cse3 .cse1 v_ArrVal_8447) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2)))))))) (forall ((v_ArrVal_8540 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8539 (Array (_ BitVec 32) (_ BitVec 32))) (|ULTIMATE.start_main_#t~mem35#1.offset| (_ BitVec 32)) (v_ArrVal_8448 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8446 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (select (select (let ((.cse7 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_8539))) (let ((.cse6 (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_8540) .cse6 v_ArrVal_8446) (select (select (store .cse7 .cse6 (store (select .cse7 .cse6) (bvadd (_ bv16 32) |ULTIMATE.start_main_#t~mem35#1.offset|) |c_ULTIMATE.start_main_~user~0#1.base|)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2) v_ArrVal_8448))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse2))) (bvule (bvadd (_ bv8 32) .cse5) (bvadd .cse5 (_ bv12 32))))))) is different from false [2022-11-23 14:34:45,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439559101] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:34:45,278 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:34:45,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 35, 55] total 123 [2022-11-23 14:34:45,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774852658] [2022-11-23 14:34:45,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:34:45,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2022-11-23 14:34:45,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:34:45,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2022-11-23 14:34:45,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=529, Unknown=138, NotChecked=18762, Total=19740 [2022-11-23 14:34:45,282 INFO L87 Difference]: Start difference. First operand 1415 states and 1570 transitions. Second operand has 124 states, 121 states have (on average 2.4132231404958677) internal successors, (292), 124 states have internal predecessors, (292), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:34:46,697 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_8357 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8357) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7227 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7227))) (exists ((v_ArrVal_7792 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7792))) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7793 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7793))) (exists ((v_ArrVal_8356 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8356) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7228 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7228)))) is different from true [2022-11-23 14:34:46,709 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7847 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7847))) (exists ((v_ArrVal_7826 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7826))) (exists ((v_ArrVal_7873 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7873) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7800 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7800))) (exists ((v_ArrVal_7850 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7850))) (exists ((v_ArrVal_7238 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7238))) (exists ((v_ArrVal_7241 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7241) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7246))) (exists ((v_ArrVal_7227 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7227))) (exists ((v_ArrVal_7795 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7795))) (exists ((v_ArrVal_7794 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7794) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7820 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7820) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7258) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7801 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7801) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7237 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7237) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7868 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7868))) (exists ((v_ArrVal_7827 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7827))) (exists ((v_ArrVal_7810 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7810))) (exists ((v_ArrVal_7253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7253))) (exists ((v_ArrVal_7254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7254))) (exists ((v_ArrVal_7250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7250) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7807 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7807))) (exists ((v_ArrVal_7869 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7869))) (exists ((v_ArrVal_7863 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7863))) (exists ((v_ArrVal_7257 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7257))) (exists ((v_ArrVal_7821 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7821))) (exists ((v_ArrVal_7228 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7228))) (exists ((v_ArrVal_7862 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7862) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7851 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7851))) (exists ((v_ArrVal_7245 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7245))) (exists ((v_ArrVal_8358 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8358))) (exists ((v_ArrVal_7835 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7835) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7872 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7872))) (exists ((v_ArrVal_7249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7249))) (exists ((v_ArrVal_7854 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7854))) (exists ((v_ArrVal_7229 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7229))) (exists ((v_ArrVal_7806 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7806))) (exists ((v_ArrVal_7230 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7230) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7811 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7811))) (exists ((v_ArrVal_7846 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7846))) (exists ((v_ArrVal_7855 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7855))) (exists ((v_ArrVal_7841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7841))) (exists ((v_ArrVal_7840 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7840))) (exists ((v_ArrVal_7834 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7834))) (exists ((v_ArrVal_7242 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7242) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8359 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8359)))) is different from true [2022-11-23 14:34:46,722 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_7847 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7847))) (exists ((v_ArrVal_7823 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7823))) (exists ((v_ArrVal_7826 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7826))) (exists ((v_ArrVal_7873 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7873) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7800 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7800))) (exists ((v_ArrVal_7850 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7850))) (exists ((v_ArrVal_7813 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7813))) (exists ((v_ArrVal_7238 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7238))) (exists ((v_ArrVal_7241 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7241) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7246 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7246))) (exists ((v_ArrVal_7227 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7227))) (exists ((v_ArrVal_7259 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7259))) (exists ((v_ArrVal_7820 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7820) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7258 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7258) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7875 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7875) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7801 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7801) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7856 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7856) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_8360 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8360) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_95 (_ BitVec 32))) (= (select |c_#length| v_arrayElimCell_95) (_ bv44 32))) (exists ((v_ArrVal_7237 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7237) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7868 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7868))) (exists ((v_ArrVal_7827 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7827))) (exists ((v_ArrVal_7810 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7810))) (exists ((v_ArrVal_7260 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7260) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7253 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7253))) (exists ((v_ArrVal_7797 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7797) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_8361 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8361))) (exists ((v_ArrVal_7254 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7254))) (exists ((v_ArrVal_7250 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7250) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7807 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7807))) (exists ((v_ArrVal_7869 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7869))) (exists ((v_ArrVal_7863 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7863))) (exists ((v_ArrVal_7874 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7874))) (exists ((v_ArrVal_7257 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7257))) (exists ((v_ArrVal_7812 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7812))) (exists ((v_ArrVal_7821 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7821))) (exists ((v_ArrVal_7865 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7865) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7228 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7228))) (exists ((v_ArrVal_7862 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7862) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7851 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7851))) (exists ((v_ArrVal_7822 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7822))) (exists ((v_ArrVal_7245 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7245))) (exists ((v_ArrVal_7802 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7802))) (exists ((v_ArrVal_7835 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7835) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_7872 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7872))) (exists ((v_ArrVal_7249 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7249))) (exists ((v_ArrVal_7854 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7854))) (exists ((v_ArrVal_7864 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7864))) (exists ((v_ArrVal_7229 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7229))) (exists ((v_ArrVal_7806 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7806))) (exists ((v_ArrVal_7230 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7230) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7811 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7811))) (exists ((v_ArrVal_7846 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7846))) (exists ((v_ArrVal_7855 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7855))) (exists ((v_ArrVal_7796 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7796))) (exists ((v_ArrVal_7841 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7841))) (exists ((v_ArrVal_7857 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7857))) (exists ((v_ArrVal_7840 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7840))) (exists ((v_ArrVal_7803 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7803) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_7834 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7834))) (exists ((v_ArrVal_7242 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_7242) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:35:11,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:35:11,161 INFO L93 Difference]: Finished difference Result 2236 states and 2420 transitions. [2022-11-23 14:35:11,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 14:35:11,166 INFO L78 Accepts]: Start accepts. Automaton has has 124 states, 121 states have (on average 2.4132231404958677) internal successors, (292), 124 states have internal predecessors, (292), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 116 [2022-11-23 14:35:11,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:35:11,171 INFO L225 Difference]: With dead ends: 2236 [2022-11-23 14:35:11,172 INFO L226 Difference]: Without dead ends: 2236 [2022-11-23 14:35:11,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 204 SyntacticMatches, 34 SemanticMatches, 155 ConstructedPredicates, 121 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=468, Invalid=1124, Unknown=152, NotChecked=22748, Total=24492 [2022-11-23 14:35:11,176 INFO L413 NwaCegarLoop]: 654 mSDtfsCounter, 4612 mSDsluCounter, 3025 mSDsCounter, 0 mSdLazyCounter, 5731 mSolverCounterSat, 77 mSolverCounterUnsat, 511 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4617 SdHoareTripleChecker+Valid, 3679 SdHoareTripleChecker+Invalid, 136006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 5731 IncrementalHoareTripleChecker+Invalid, 511 IncrementalHoareTripleChecker+Unknown, 129687 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-11-23 14:35:11,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4617 Valid, 3679 Invalid, 136006 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [77 Valid, 5731 Invalid, 511 Unknown, 129687 Unchecked, 23.8s Time] [2022-11-23 14:35:11,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2236 states. [2022-11-23 14:35:11,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2236 to 1414. [2022-11-23 14:35:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 923 states have (on average 1.6738894907908992) internal successors, (1545), 1403 states have internal predecessors, (1545), 11 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:35:11,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 1569 transitions. [2022-11-23 14:35:11,199 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 1569 transitions. Word has length 116 [2022-11-23 14:35:11,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:35:11,199 INFO L495 AbstractCegarLoop]: Abstraction has 1414 states and 1569 transitions. [2022-11-23 14:35:11,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 121 states have (on average 2.4132231404958677) internal successors, (292), 124 states have internal predecessors, (292), 2 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-23 14:35:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1569 transitions. [2022-11-23 14:35:11,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 14:35:11,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:35:11,202 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:35:11,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2022-11-23 14:35:11,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-11-23 14:35:11,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-11-23 14:35:11,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:35:11,823 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr82REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:35:11,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:35:11,823 INFO L85 PathProgramCache]: Analyzing trace with hash -812936066, now seen corresponding path program 1 times [2022-11-23 14:35:11,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:35:11,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102945945] [2022-11-23 14:35:11,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:11,824 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:35:11,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:35:11,825 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:35:11,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-23 14:35:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:35:13,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-23 14:35:13,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:35:13,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:35:13,437 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:35:13,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-23 14:35:13,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:35:13,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-11-23 14:35:14,788 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_15| (_ BitVec 32)) (v_arrayElimCell_133 (_ BitVec 32))) (and (= (_ bv0 1) (bvadd (select |c_#valid| |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_15|) (_ bv1 1))) (= (bvadd (select |c_#valid| v_arrayElimCell_133) (_ bv1 1)) (_ bv0 1)) (not (= v_arrayElimCell_133 |v_ULTIMATE.start_main_~user~0#1.base_BEFORE_CALL_15|)))) (exists ((v_ArrVal_8952 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_8952) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:35:16,503 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:35:16,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:35:16,737 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:35:16,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:35:16,930 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:35:16,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:35:17,107 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:35:17,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:35:17,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:35:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 903 trivial. 44 not checked. [2022-11-23 14:35:17,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:35:17,339 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8981 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem37#1.base| v_ArrVal_8981) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:35:17,358 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8981 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) v_ArrVal_8981) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (_ bv1 1)))) is different from false [2022-11-23 14:35:17,385 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8980 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8981 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_8980))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8981)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:35:17,407 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8980 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8981 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8980))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8981)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:35:17,439 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8980 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8979 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8981 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_8979))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8980)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8981)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:35:17,466 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8980 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8979 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8981 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8979))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8980)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8981)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)) (_ bv0 1))) is different from false [2022-11-23 14:35:17,902 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8980 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8979 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9027 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_8981 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv1 1) (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_9027))) (store .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8979)))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8980)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_8981)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (_ bv0 1))) is different from false [2022-11-23 14:35:17,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:35:17,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102945945] [2022-11-23 14:35:17,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102945945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:35:17,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [272516450] [2022-11-23 14:35:17,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:35:17,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:35:17,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:35:17,910 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:35:17,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2022-11-23 14:36:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:36:26,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-23 14:36:26,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:36:26,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:36:26,476 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-23 14:36:26,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-23 14:36:26,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:36:26,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2022-11-23 14:36:29,061 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:29,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:29,170 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:29,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:29,259 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:29,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:29,344 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:29,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:29,385 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:36:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-11-23 14:36:29,401 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:36:31,534 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) v_ArrVal_9468) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (_ bv1 1)))) is different from false [2022-11-23 14:36:31,562 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9467 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_9467))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:36:31,584 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9467 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9467))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:36:31,617 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9467 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9466 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_9466))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9467)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:36:31,643 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9467 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9466 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9466))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9467)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:36:32,072 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9514 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9467 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9466 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_9514))) (store .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9466)))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9467)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))) is different from false [2022-11-23 14:36:32,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [272516450] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:36:32,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588916251] [2022-11-23 14:36:32,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:36:32,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:36:32,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:36:32,080 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:36:32,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-11-23 14:36:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:36:33,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 63 conjunts are in the unsatisfiable core [2022-11-23 14:36:33,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:36:33,284 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:36:33,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:36:33,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:36:37,373 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:37,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:37,649 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:37,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:37,822 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:37,823 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:38,004 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:36:38,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 37 [2022-11-23 14:36:38,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2022-11-23 14:36:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-11-23 14:36:38,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:36:40,181 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_9952))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:36:40,204 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9952))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:36:40,241 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9951 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_9951))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9952)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (_ bv1 1)))) is different from false [2022-11-23 14:36:40,271 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9951 (Array (_ BitVec 32) (_ BitVec 32)))) (= (bvadd (_ bv1 1) (select |c_#valid| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9951))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9952)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (_ bv0 1))) is different from false [2022-11-23 14:36:40,785 INFO L321 Elim1Store]: treesize reduction 7, result has 93.2 percent of original size [2022-11-23 14:36:40,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 109 treesize of output 108 [2022-11-23 14:36:40,809 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9999 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9952 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9468 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_9951 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_main_#t~mem33#1.base| (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (select (select (let ((.cse0 (let ((.cse2 (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_9999))) (store .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9951)))) (store .cse2 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9952)))) (store .cse0 (select (select .cse0 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_9468)) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) is different from false [2022-11-23 14:36:40,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588916251] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:36:40,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:36:40,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 14] total 24 [2022-11-23 14:36:40,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260152368] [2022-11-23 14:36:40,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:36:40,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-23 14:36:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 14:36:40,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-23 14:36:40,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=548, Unknown=44, NotChecked=1254, Total=1980 [2022-11-23 14:36:40,816 INFO L87 Difference]: Start difference. First operand 1414 states and 1569 transitions. Second operand has 25 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 24 states have internal predecessors, (126), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:37:21,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:37:21,699 INFO L93 Difference]: Finished difference Result 1686 states and 1827 transitions. [2022-11-23 14:37:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 14:37:21,699 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 24 states have internal predecessors, (126), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 119 [2022-11-23 14:37:21,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:37:21,701 INFO L225 Difference]: With dead ends: 1686 [2022-11-23 14:37:21,701 INFO L226 Difference]: Without dead ends: 1686 [2022-11-23 14:37:21,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 217 SyntacticMatches, 134 SemanticMatches, 55 ConstructedPredicates, 19 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=245, Invalid=1180, Unknown=57, NotChecked=1710, Total=3192 [2022-11-23 14:37:21,703 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 2718 mSDsluCounter, 7622 mSDsCounter, 0 mSdLazyCounter, 8378 mSolverCounterSat, 61 mSolverCounterUnsat, 1158 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 8258 SdHoareTripleChecker+Invalid, 10840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 8378 IncrementalHoareTripleChecker+Invalid, 1158 IncrementalHoareTripleChecker+Unknown, 1243 IncrementalHoareTripleChecker+Unchecked, 39.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:37:21,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2723 Valid, 8258 Invalid, 10840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [61 Valid, 8378 Invalid, 1158 Unknown, 1243 Unchecked, 39.5s Time] [2022-11-23 14:37:21,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2022-11-23 14:37:21,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1413. [2022-11-23 14:37:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1413 states, 923 states have (on average 1.6728060671722644) internal successors, (1544), 1402 states have internal predecessors, (1544), 11 states have call successors, (11), 4 states have call predecessors, (11), 5 states have return successors, (13), 7 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-23 14:37:21,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1568 transitions. [2022-11-23 14:37:21,721 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1568 transitions. Word has length 119 [2022-11-23 14:37:21,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:37:21,722 INFO L495 AbstractCegarLoop]: Abstraction has 1413 states and 1568 transitions. [2022-11-23 14:37:21,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 5.7272727272727275) internal successors, (126), 24 states have internal predecessors, (126), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 14:37:21,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1568 transitions. [2022-11-23 14:37:21,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-23 14:37:21,723 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:37:21,724 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:37:21,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-11-23 14:37:21,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2022-11-23 14:37:22,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-23 14:37:22,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:37:22,342 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr83REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 726 more)] === [2022-11-23 14:37:22,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:37:22,343 INFO L85 PathProgramCache]: Analyzing trace with hash -812936065, now seen corresponding path program 1 times [2022-11-23 14:37:22,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 14:37:22,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350876147] [2022-11-23 14:37:22,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:22,344 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 14:37:22,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 14:37:22,345 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 14:37:22,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-11-23 14:37:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:37:23,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 119 conjunts are in the unsatisfiable core [2022-11-23 14:37:23,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:37:23,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-23 14:37:24,122 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-23 14:37:24,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2022-11-23 14:37:24,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-23 14:37:24,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:37:24,208 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:37:24,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-23 14:37:24,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 14:37:24,637 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10399 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10399))) (exists ((v_ArrVal_10398 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10398))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158)))) is different from true [2022-11-23 14:37:24,719 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10403 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10403))) (exists ((v_ArrVal_10402 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10402) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158)))) is different from true [2022-11-23 14:37:24,801 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10407 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10407))) (exists ((v_ArrVal_10406 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10406) |c_#memory_$Pointer$.base|)) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158)))) is different from true [2022-11-23 14:37:24,883 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10411 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10411))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10410 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10410)))) is different from true [2022-11-23 14:37:25,142 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10421 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10421) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10420 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10420) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:37:25,222 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10425 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10425))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10424 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10424)))) is different from true [2022-11-23 14:37:25,297 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10429 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10429) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10428 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10428)))) is different from true [2022-11-23 14:37:25,587 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10441 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10441) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10440 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10440)))) is different from true [2022-11-23 14:37:25,729 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10446 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10446))) (exists ((v_ArrVal_10447 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10447))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158)))) is different from true [2022-11-23 14:37:25,753 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10448 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10448))) (exists ((v_ArrVal_10449 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10449)))) is different from true [2022-11-23 14:37:25,775 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10451 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10451))) (exists ((v_ArrVal_10450 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10450)))) is different from true [2022-11-23 14:37:25,906 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10456 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10456))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10457 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10457) |c_#memory_$Pointer$.base|))) is different from true [2022-11-23 14:37:25,928 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10459 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10459))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10458 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10458)))) is different from true [2022-11-23 14:37:26,058 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10464 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10464))) (exists ((v_ArrVal_10465 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10465)))) is different from true [2022-11-23 14:37:26,099 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10467 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10467) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10466 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10466)))) is different from true [2022-11-23 14:37:26,177 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10470 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10470))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10471 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10471)))) is different from true [2022-11-23 14:37:26,200 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10472 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10472) |c_#memory_$Pointer$.offset|)) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10473 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10473)))) is different from true [2022-11-23 14:37:26,279 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_10477 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10477) |c_#memory_$Pointer$.offset|)) (exists ((v_ArrVal_10476 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10476))) (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158)))) is different from true [2022-11-23 14:37:26,300 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_arrayElimCell_158 (_ BitVec 32))) (= (_ bv44 32) (select |c_#length| v_arrayElimCell_158))) (exists ((v_ArrVal_10479 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.base)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10479) |c_#memory_$Pointer$.base|)) (exists ((v_ArrVal_10478 (Array (_ BitVec 32) (_ BitVec 32)))) (= (store |c_old(#memory_$Pointer$.offset)| |c_#Ultimate.C_memset_#ptr.base| v_ArrVal_10478) |c_#memory_$Pointer$.offset|))) is different from true [2022-11-23 14:37:26,475 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:37:26,476 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:37:26,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:37:26,687 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:37:26,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:37:26,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:37:26,878 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:37:26,878 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:37:26,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:37:27,074 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-23 14:37:27,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-11-23 14:37:27,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-11-23 14:37:27,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 13 [2022-11-23 14:37:27,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-11-23 14:37:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 300 trivial. 665 not checked. [2022-11-23 14:37:27,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:37:27,527 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse0 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10489 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem37#1.base| v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0) (_ bv24 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem37#1.base| v_ArrVal_10489) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0)))) (forall ((v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem37#1.base| v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse0))) (bvule (bvadd .cse1 (_ bv20 32)) (bvadd .cse1 (_ bv24 32))))))) is different from false [2022-11-23 14:37:27,598 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (and (forall ((v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10489 (Array (_ BitVec 32) (_ BitVec 32)))) (bvule (bvadd (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv24 32)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_10489) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))) (forall ((v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| .cse0 v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv20 32) .cse2) (bvadd .cse2 (_ bv24 32)))))))) is different from false [2022-11-23 14:37:27,733 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse1 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_10487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10486 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_10486) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_10487) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (_ bv20 32) .cse0) (bvadd .cse0 (_ bv24 32))))) (forall ((v_ArrVal_10487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10486 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10489 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_10487))) (let ((.cse2 (select (select .cse3 |c_ULTIMATE.start_main_~user~0#1.base|) .cse1))) (bvule (bvadd (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_10486) .cse2 v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1) (_ bv24 32)) (select |c_#length| (select (select (store .cse3 .cse2 v_ArrVal_10489) |c_ULTIMATE.start_main_~user~0#1.base|) .cse1)))))))) is different from false [2022-11-23 14:37:30,955 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_10484 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10485 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10486 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (select (let ((.cse2 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_10484))) (let ((.cse1 (select (select .cse2 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_10485) .cse1 v_ArrVal_10486) (select (select (store .cse2 .cse1 v_ArrVal_10487) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) v_ArrVal_10488))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd .cse0 (_ bv20 32)) (bvadd .cse0 (_ bv24 32))))) (forall ((v_ArrVal_10484 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10485 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10486 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10489 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_10484))) (let ((.cse4 (select (select .cse7 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (let ((.cse6 (store .cse7 .cse4 v_ArrVal_10487))) (let ((.cse5 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem35#1.base| v_ArrVal_10485) .cse4 v_ArrVal_10486) .cse5 v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv24 32)) (select |c_#length| (select (select (store .cse6 .cse5 v_ArrVal_10489) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)))))))))) is different from false [2022-11-23 14:37:50,376 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse3 (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|))) (and (forall ((v_ArrVal_10484 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10580 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10581 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10485 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10486 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10489 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_10581))) (let ((.cse0 (select (select .cse6 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (let ((.cse5 (store .cse6 .cse0 v_ArrVal_10484))) (let ((.cse1 (select (select .cse5 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (let ((.cse4 (store .cse5 .cse1 v_ArrVal_10487))) (let ((.cse2 (select (select .cse4 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd (select (select (store (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_10580) .cse0 v_ArrVal_10485) .cse1 v_ArrVal_10486) .cse2 v_ArrVal_10488) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) (_ bv24 32)) (select |c_#length| (select (select (store .cse4 .cse2 v_ArrVal_10489) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3)))))))))) (forall ((v_ArrVal_10484 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10580 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10581 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10487 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10488 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10485 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_10486 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse7 (select (select (let ((.cse11 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_10581))) (let ((.cse8 (select (select .cse11 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (let ((.cse10 (store .cse11 .cse8 v_ArrVal_10484))) (let ((.cse9 (select (select .cse10 |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (store (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_#t~mem33#1.base| v_ArrVal_10580) .cse8 v_ArrVal_10485) .cse9 v_ArrVal_10486) (select (select (store .cse10 .cse9 v_ArrVal_10487) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3) v_ArrVal_10488))))) |c_ULTIMATE.start_main_~user~0#1.base|) .cse3))) (bvule (bvadd .cse7 (_ bv20 32)) (bvadd .cse7 (_ bv24 32))))))) is different from false [2022-11-23 14:37:50,424 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 14:37:50,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350876147] [2022-11-23 14:37:50,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350876147] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:37:50,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [218493252] [2022-11-23 14:37:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:37:50,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 14:37:50,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 14:37:50,425 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 14:37:50,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f67f504-dfd9-4c3b-9cd8-dff97b5348b7/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process