./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 --- 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-2329fc7 [2022-12-13 06:57:47,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:57:47,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:57:47,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:57:47,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:57:47,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:57:47,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:57:47,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:57:47,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:57:47,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:57:47,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:57:47,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:57:47,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:57:47,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:57:47,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:57:47,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:57:47,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:57:47,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:57:47,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:57:47,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:57:47,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:57:47,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:57:47,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:57:47,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:57:47,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 06:57:47,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 06:57:47,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 06:57:47,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 06:57:47,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 06:57:47,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 06:57:47,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 06:57:47,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 06:57:47,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 06:57:47,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 06:57:47,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 06:57:47,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 06:57:47,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 06:57:47,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 06:57:47,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:57:47,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:57:47,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:57:47,821 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-12-13 06:57:47,837 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:57:47,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:57:47,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 06:57:47,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 06:57:47,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 06:57:47,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 06:57:47,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:57:47,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:57:47,838 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:57:47,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 06:57:47,839 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 06:57:47,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:57:47,840 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 06:57:47,840 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:57:47,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:57:47,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:57:47,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:57:47,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:57:47,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:57:47,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 06:57:47,841 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 06:57:47,842 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 [2022-12-13 06:57:48,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:57:48,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:57:48,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:57:48,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:57:48,029 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:57:48,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2022-12-13 06:57:50,613 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:57:50,789 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:57:50,790 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2022-12-13 06:57:50,796 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data/d391752ac/3fc165aad8c74c7cb55098245dc4efeb/FLAG3fc7ce269 [2022-12-13 06:57:51,182 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data/d391752ac/3fc165aad8c74c7cb55098245dc4efeb [2022-12-13 06:57:51,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:57:51,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 06:57:51,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:57:51,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:57:51,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:57:51,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:57:51" (1/1) ... [2022-12-13 06:57:51,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f2f922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:51, skipping insertion in model container [2022-12-13 06:57:51,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:57:51" (1/1) ... [2022-12-13 06:57:51,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:57:51,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:57:51,318 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,321 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,322 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,323 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,324 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,327 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,328 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,329 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,331 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:51,332 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:51,338 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-12-13 06:57:51,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:57:51,355 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) [2022-12-13 06:57:51,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@399b6275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:51, skipping insertion in model container [2022-12-13 06:57:51,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:57:51,355 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 06:57:51,357 INFO L158 Benchmark]: Toolchain (without parser) took 169.86ms. Allocated memory is still 127.9MB. Free memory was 94.6MB in the beginning and 83.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 06:57:51,357 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 06:57:51,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.77ms. Allocated memory is still 127.9MB. Free memory was 94.6MB in the beginning and 83.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 06:57:51,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.77ms. Allocated memory is still 127.9MB. Free memory was 94.6MB in the beginning and 83.4MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 157]: 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 --- 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-2329fc7 [2022-12-13 06:57:52,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:57:52,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:57:52,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:57:52,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:57:52,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:57:52,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:57:52,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:57:52,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:57:52,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:57:52,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:57:52,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:57:52,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:57:52,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:57:52,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:57:52,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:57:52,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:57:52,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:57:52,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:57:52,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:57:52,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:57:52,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:57:52,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:57:52,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:57:52,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 06:57:52,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 06:57:52,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 06:57:52,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 06:57:52,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 06:57:52,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 06:57:52,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 06:57:52,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 06:57:52,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 06:57:52,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 06:57:52,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 06:57:52,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 06:57:52,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 06:57:52,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 06:57:52,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:57:52,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:57:52,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:57:52,773 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-12-13 06:57:52,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:57:52,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:57:52,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 06:57:52,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 06:57:52,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 06:57:52,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 06:57:52,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:57:52,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:57:52,800 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:57:52,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:57:52,800 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:57:52,801 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 06:57:52,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:57:52,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:57:52,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:57:52,801 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:57:52,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:57:52,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:57:52,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:57:52,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:57:52,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:57:52,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:57:52,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:57:52,803 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 06:57:52,803 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 06:57:52,803 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 06:57:52,804 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 06:57:52,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 06:57:52,804 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 06:57:52,804 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 06:57:52,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 06:57:52,804 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2db95108d1ec3739bf941ab9d238fd5c3dd7467faa747c6c0552ae2048ee95 [2022-12-13 06:57:53,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:57:53,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:57:53,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:57:53,067 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:57:53,067 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:57:53,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2022-12-13 06:57:55,641 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:57:55,812 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:57:55,813 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2022-12-13 06:57:55,820 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data/a1d578fd7/2fa233f81a2647caa47f03608305230c/FLAG308f11cf9 [2022-12-13 06:57:55,835 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/data/a1d578fd7/2fa233f81a2647caa47f03608305230c [2022-12-13 06:57:55,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:57:55,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 06:57:55,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:57:55,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:57:55,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:57:55,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:57:55" (1/1) ... [2022-12-13 06:57:55,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be7a013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:55, skipping insertion in model container [2022-12-13 06:57:55,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:57:55" (1/1) ... [2022-12-13 06:57:55,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:57:55,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:57:56,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,056 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-12-13 06:57:56,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:57:56,074 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 06:57:56,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:57:56,080 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,081 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,082 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,083 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,084 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,085 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,086 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,087 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,088 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,091 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-12-13 06:57:56,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:57:56,097 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 06:57:56,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,110 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:57:56,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:57:56,118 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_fe46c60e-0b95-4338-bc8e-be5f280a1a35/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c[4604,4617] [2022-12-13 06:57:56,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:57:56,132 INFO L208 MainTranslator]: Completed translation [2022-12-13 06:57:56,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56 WrapperNode [2022-12-13 06:57:56,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:57:56,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 06:57:56,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 06:57:56,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 06:57:56,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,167 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 20, calls inlined = 24, statements flattened = 322 [2022-12-13 06:57:56,168 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 06:57:56,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 06:57:56,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 06:57:56,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 06:57:56,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 06:57:56,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 06:57:56,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 06:57:56,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 06:57:56,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (1/1) ... [2022-12-13 06:57:56,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:57:56,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 06:57:56,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 06:57:56,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 06:57:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 06:57:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 06:57:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 06:57:56,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 06:57:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 06:57:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 06:57:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 06:57:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 06:57:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 06:57:56,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 06:57:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 06:57:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 06:57:56,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 06:57:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 06:57:56,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 06:57:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 06:57:56,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 06:57:56,253 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 06:57:56,347 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 06:57:56,348 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 06:57:56,937 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 06:57:57,121 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 06:57:57,121 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 06:57:57,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:57:57 BoogieIcfgContainer [2022-12-13 06:57:57,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 06:57:57,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 06:57:57,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 06:57:57,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 06:57:57,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:57:55" (1/3) ... [2022-12-13 06:57:57,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515ce1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:57:57, skipping insertion in model container [2022-12-13 06:57:57,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:57:56" (2/3) ... [2022-12-13 06:57:57,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@515ce1ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:57:57, skipping insertion in model container [2022-12-13 06:57:57,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:57:57" (3/3) ... [2022-12-13 06:57:57,129 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-1.wvr.c [2022-12-13 06:57:57,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 06:57:57,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-12-13 06:57:57,143 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 06:57:57,210 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 06:57:57,243 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:57:57,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 06:57:57,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 06:57:57,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 06:57:57,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 06:57:57,315 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 06:57:57,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2022-12-13 06:57:57,328 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=PARTIAL_ORDER_FA, 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;@21b23e23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:57:57,328 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-13 06:57:57,900 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:57:57,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:57:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1832037227, now seen corresponding path program 1 times [2022-12-13 06:57:57,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:57:57,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83388388] [2022-12-13 06:57:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:57:57,918 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 [2022-12-13 06:57:57,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:57:57,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:57:57,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:57:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:57:58,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 06:57:58,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:57:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:57:58,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 06:57:58,079 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:57:58,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83388388] [2022-12-13 06:57:58,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83388388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:57:58,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:57:58,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:57:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734229615] [2022-12-13 06:57:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:57:58,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 06:57:58,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:57:58,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 06:57:58,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 06:57:58,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:58,116 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:57:58,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 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) [2022-12-13 06:57:58,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:58,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:58,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:57:58,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:57:58,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:57:58,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:57:58,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2116867664, now seen corresponding path program 1 times [2022-12-13 06:57:58,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:57:58,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109685612] [2022-12-13 06:57:58,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:57:58,370 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 [2022-12-13 06:57:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:57:58,371 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:57:58,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:57:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:57:58,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 06:57:58,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:57:58,511 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 [2022-12-13 06:57:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:57:58,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 06:57:58,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:57:58,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109685612] [2022-12-13 06:57:58,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109685612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:57:58,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:57:58,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 06:57:58,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872623157] [2022-12-13 06:57:58,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:57:58,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 06:57:58,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:57:58,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 06:57:58,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 06:57:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:58,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:57:58,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.166666666666668) internal successors, (145), 7 states have internal predecessors, (145), 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) [2022-12-13 06:57:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:58,618 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:59,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:59,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:57:59,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0 [2022-12-13 06:57:59,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:57:59,363 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:57:59,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:57:59,365 INFO L85 PathProgramCache]: Analyzing trace with hash -2116867663, now seen corresponding path program 1 times [2022-12-13 06:57:59,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:57:59,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741324278] [2022-12-13 06:57:59,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:57:59,367 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 [2022-12-13 06:57:59,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:57:59,370 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:57:59,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:57:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:57:59,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 06:57:59,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:57:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:57:59,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 06:57:59,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:57:59,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741324278] [2022-12-13 06:57:59,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741324278] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:57:59,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:57:59,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:57:59,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170950711] [2022-12-13 06:57:59,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:57:59,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:57:59,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:57:59,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:57:59,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:57:59,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:59,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:57:59,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 72.5) internal successors, (145), 3 states have internal predecessors, (145), 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) [2022-12-13 06:57:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:57:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:57:59,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:01,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:01,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0 [2022-12-13 06:58:01,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:01,269 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:58:01,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:58:01,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1839161009, now seen corresponding path program 1 times [2022-12-13 06:58:01,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:58:01,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31854325] [2022-12-13 06:58:01,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:58:01,274 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 [2022-12-13 06:58:01,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:58:01,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:58:01,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:58:01,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-13 06:58:01,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:58:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:58:01,875 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 06:58:01,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:58:01,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31854325] [2022-12-13 06:58:01,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31854325] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:58:01,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:58:01,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 06:58:01,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778241373] [2022-12-13 06:58:01,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:58:01,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 06:58:01,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:58:01,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 06:58:01,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 06:58:01,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:01,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:58:01,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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) [2022-12-13 06:58:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:01,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:05,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:05,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0 [2022-12-13 06:58:05,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:05,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:58:05,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:58:05,420 INFO L85 PathProgramCache]: Analyzing trace with hash 43964713, now seen corresponding path program 1 times [2022-12-13 06:58:05,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:58:05,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261927081] [2022-12-13 06:58:05,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:58:05,423 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 [2022-12-13 06:58:05,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:58:05,424 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:58:05,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:58:05,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 06:58:05,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:58:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:58:05,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 06:58:05,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:58:05,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261927081] [2022-12-13 06:58:05,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1261927081] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:58:05,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:58:05,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:58:05,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019010890] [2022-12-13 06:58:05,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:58:05,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:58:05,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:58:05,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:58:05,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:58:05,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:05,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:58:05,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 81.0) internal successors, (162), 3 states have internal predecessors, (162), 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) [2022-12-13 06:58:05,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:05,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:05,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:05,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:05,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:08,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:08,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:08,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0 [2022-12-13 06:58:08,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:08,227 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:58:08,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:58:08,228 INFO L85 PathProgramCache]: Analyzing trace with hash 43964714, now seen corresponding path program 1 times [2022-12-13 06:58:08,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:58:08,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605610032] [2022-12-13 06:58:08,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:58:08,231 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 [2022-12-13 06:58:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:58:08,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:58:08,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:58:08,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 06:58:08,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:58:08,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:58:08,828 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 06:58:08,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:58:08,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605610032] [2022-12-13 06:58:08,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605610032] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:58:08,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:58:08,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 06:58:08,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593886804] [2022-12-13 06:58:08,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:58:08,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 06:58:08,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:58:08,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 06:58:08,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 06:58:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:08,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:58:08,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.5) internal successors, (162), 12 states have internal predecessors, (162), 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) [2022-12-13 06:58:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:08,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:08,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:11,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:11,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 06:58:11,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0 [2022-12-13 06:58:11,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:11,582 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:58:11,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:58:11,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1650567562, now seen corresponding path program 1 times [2022-12-13 06:58:11,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:58:11,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30404497] [2022-12-13 06:58:11,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:58:11,585 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 [2022-12-13 06:58:11,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:58:11,588 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:58:11,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:58:11,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 06:58:11,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:58:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:58:12,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 06:58:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:58:13,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:58:13,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30404497] [2022-12-13 06:58:13,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30404497] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 06:58:13,733 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 06:58:13,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 25 [2022-12-13 06:58:13,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245820830] [2022-12-13 06:58:13,734 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 06:58:13,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-13 06:58:13,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:58:13,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-13 06:58:13,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=506, Unknown=0, NotChecked=0, Total=650 [2022-12-13 06:58:13,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:13,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:58:13,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 11.92) internal successors, (298), 26 states have internal predecessors, (298), 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) [2022-12-13 06:58:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 06:58:13,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 06:58:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 06:58:16,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:16,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:16,796 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:58:16,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:58:16,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1327411690, now seen corresponding path program 2 times [2022-12-13 06:58:16,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:58:16,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660960645] [2022-12-13 06:58:16,800 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 06:58:16,800 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 [2022-12-13 06:58:16,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:58:16,804 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:58:16,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:16,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 06:58:16,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 06:58:17,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-13 06:58:17,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:58:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-13 06:58:17,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 06:58:17,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:58:17,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660960645] [2022-12-13 06:58:17,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660960645] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:58:17,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:58:17,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 06:58:17,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882250339] [2022-12-13 06:58:17,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:58:17,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 06:58:17,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:58:17,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 06:58:17,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-12-13 06:58:17,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:17,250 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:58:17,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.0) internal successors, (168), 12 states have internal predecessors, (168), 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) [2022-12-13 06:58:17,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:17,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 06:58:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 06:58:17,251 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:58:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:58:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:58:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:58:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 06:58:19,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 06:58:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 06:58:19,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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)] Ended with exit code 0 [2022-12-13 06:58:19,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:19,203 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 1 more)] === [2022-12-13 06:58:19,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:58:19,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1923743115, now seen corresponding path program 1 times [2022-12-13 06:58:19,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 06:58:19,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76073062] [2022-12-13 06:58:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:58:19,205 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 [2022-12-13 06:58:19,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 06:58:19,206 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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) [2022-12-13 06:58:19,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe46c60e-0b95-4338-bc8e-be5f280a1a35/bin/ugemcutter-rbreBovr8w/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 [2022-12-13 06:58:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:58:19,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-13 06:58:19,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 06:58:19,717 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 [2022-12-13 06:58:19,722 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 8 treesize of output 7 [2022-12-13 06:58:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 06:58:20,820 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 19 treesize of output 19 [2022-12-13 06:58:20,837 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-12-13 06:58:20,838 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 [2022-12-13 06:58:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 06:58:21,270 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 19 treesize of output 19 [2022-12-13 06:58:21,277 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-12-13 06:58:21,278 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 [2022-12-13 06:58:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 06:58:21,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 06:58:43,764 WARN L233 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 06:59:09,154 WARN L233 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 06:59:23,070 WARN L233 SmtUtils]: Spent 5.35s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 06:59:39,061 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 06:59:39,062 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-13 06:59:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 06:59:45,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 06:59:45,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76073062] [2022-12-13 06:59:45,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76073062] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 06:59:45,192 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 06:59:45,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 45 [2022-12-13 06:59:45,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509390187] [2022-12-13 06:59:45,192 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 06:59:45,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-12-13 06:59:45,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 06:59:45,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-12-13 06:59:45,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=1712, Unknown=6, NotChecked=0, Total=2070 [2022-12-13 06:59:45,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:59:45,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 06:59:45,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 7.155555555555556) internal successors, (322), 46 states have internal predecessors, (322), 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) [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-12-13 06:59:45,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 07:03:31,950 WARN L233 SmtUtils]: Spent 3.75m on a formula simplification. DAG size of input: 183 DAG size of output: 181 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 07:06:49,378 WARN L233 SmtUtils]: Spent 3.24m on a formula simplification. DAG size of input: 176 DAG size of output: 174 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 07:06:51,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:06:53,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:11:49,427 WARN L233 SmtUtils]: Spent 4.84m on a formula simplification. DAG size of input: 160 DAG size of output: 137 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 07:11:51,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:11:53,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:11:56,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:11:58,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:00,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:02,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:04,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:06,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:08,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:11,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:12,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:14,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:31,125 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 07:12:37,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 07:12:53,178 WARN L233 SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 07:12:57,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1]