./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --- 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 09:40:50,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:40:50,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:40:50,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:40:50,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:40:50,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:40:50,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:40:50,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:40:50,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:40:50,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:40:50,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:40:50,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:40:50,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:40:50,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:40:50,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:40:50,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:40:50,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:40:50,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:40:50,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:40:50,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:40:50,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:40:50,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:40:50,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:40:50,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:40:50,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:40:50,996 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:40:50,996 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:40:50,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:40:50,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:40:50,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:40:50,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:40:50,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:40:50,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:40:50,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:40:50,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:40:50,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:40:51,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:40:51,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:40:51,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:40:51,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:40:51,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:40:51,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2022-12-13 09:40:51,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:40:51,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:40:51,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:40:51,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:40:51,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:40:51,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:40:51,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:40:51,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:40:51,023 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:40:51,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:40:51,023 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:40:51,023 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 09:40:51,024 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:40:51,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:40:51,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:40:51,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:40:51,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:40:51,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:40:51,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:40:51,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:40:51,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:40:51,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:40:51,026 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:40:51,026 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:40:51,026 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:40:51,026 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:40:51,026 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:40:51,026 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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2022-12-13 09:40:51,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:40:51,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:40:51,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:40:51,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:40:51,210 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:40:51,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2022-12-13 09:40:53,802 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:40:53,945 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:40:53,945 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2022-12-13 09:40:53,950 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data/e47d1b52d/6bed23fcb7be46e98110aa9a2f90475c/FLAG697e3a6c3 [2022-12-13 09:40:53,959 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data/e47d1b52d/6bed23fcb7be46e98110aa9a2f90475c [2022-12-13 09:40:53,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:40:53,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:40:53,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:40:53,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:40:53,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:40:53,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:40:53" (1/1) ... [2022-12-13 09:40:53,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a03923f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:53, skipping insertion in model container [2022-12-13 09:40:53,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:40:53" (1/1) ... [2022-12-13 09:40:53,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:40:53,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:40:54,132 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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2022-12-13 09:40:54,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:40:54,148 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 09:40:54,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@692bea26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:54, skipping insertion in model container [2022-12-13 09:40:54,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:40:54,149 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-13 09:40:54,150 INFO L158 Benchmark]: Toolchain (without parser) took 187.09ms. Allocated memory is still 127.9MB. Free memory was 94.1MB in the beginning and 83.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 09:40:54,151 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 09:40:54,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 185.61ms. Allocated memory is still 127.9MB. Free memory was 93.7MB in the beginning and 83.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 09:40:54,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 127.9MB. Free memory was 99.1MB in the beginning and 99.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 185.61ms. Allocated memory is still 127.9MB. Free memory was 93.7MB in the beginning and 83.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 138]: 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 --- 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 09:40:55,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:40:55,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:40:55,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:40:55,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:40:55,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:40:55,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:40:55,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:40:55,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:40:55,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:40:55,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:40:55,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:40:55,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:40:55,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:40:55,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:40:55,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:40:55,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:40:55,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:40:55,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:40:55,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:40:55,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:40:55,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:40:55,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:40:55,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:40:55,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:40:55,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:40:55,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:40:55,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:40:55,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:40:55,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:40:55,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:40:55,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:40:55,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:40:55,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:40:55,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:40:55,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:40:55,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:40:55,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:40:55,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:40:55,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:40:55,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:40:55,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Bitvector.epf [2022-12-13 09:40:55,627 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:40:55,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:40:55,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:40:55,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:40:55,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:40:55,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:40:55,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:40:55,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:40:55,630 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:40:55,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:40:55,630 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:40:55,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:40:55,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:40:55,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:40:55,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:40:55,631 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 09:40:55,631 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 09:40:55,632 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 09:40:55,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:40:55,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 09:40:55,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 09:40:55,632 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 09:40:55,632 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:40:55,633 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:40:55,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:40:55,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:40:55,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:40:55,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:40:55,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:40:55,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:40:55,634 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 09:40:55,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 09:40:55,634 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:40:55,635 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:40:55,635 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:40:55,635 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:40:55,635 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:40:55,635 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 09:40:55,636 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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98c397d7a260fe673f9e4655b5dca942c114f9b11115010a8eef60e068615ab1 [2022-12-13 09:40:55,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:40:55,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:40:55,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:40:55,869 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:40:55,869 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:40:55,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2022-12-13 09:40:58,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:40:58,577 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:40:58,578 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/sv-benchmarks/c/weaver/chl-word-subst.wvr.c [2022-12-13 09:40:58,583 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data/02dfc67bb/c5a8819f8d4246108d90cd2dc2ef89db/FLAGf747fa852 [2022-12-13 09:40:58,594 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/data/02dfc67bb/c5a8819f8d4246108d90cd2dc2ef89db [2022-12-13 09:40:58,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:40:58,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:40:58,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:40:58,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:40:58,601 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:40:58,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43cd58f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58, skipping insertion in model container [2022-12-13 09:40:58,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:40:58,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:40:58,774 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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2022-12-13 09:40:58,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:40:58,792 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 09:40:58,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:40:58,810 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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2022-12-13 09:40:58,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:40:58,817 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:40:58,853 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_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/sv-benchmarks/c/weaver/chl-word-subst.wvr.c[3345,3358] [2022-12-13 09:40:58,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:40:58,873 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:40:58,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58 WrapperNode [2022-12-13 09:40:58,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:40:58,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:40:58,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:40:58,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:40:58,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,916 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 9, calls inlined = 13, statements flattened = 167 [2022-12-13 09:40:58,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:40:58,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:40:58,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:40:58,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:40:58,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,940 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:40:58,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:40:58,944 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:40:58,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:40:58,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (1/1) ... [2022-12-13 09:40:58,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:40:58,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:40:58,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:40:58,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:40:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:40:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 09:40:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:40:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 09:40:58,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 09:40:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 09:40:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 09:40:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 09:40:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 09:40:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 09:40:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:40:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:40:58,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:40:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:40:58,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 09:40:58,996 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 09:40:59,088 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:40:59,089 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:40:59,737 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:40:59,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:40:59,746 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-13 09:40:59,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:40:59 BoogieIcfgContainer [2022-12-13 09:40:59,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:40:59,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:40:59,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:40:59,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:40:59,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:40:58" (1/3) ... [2022-12-13 09:40:59,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53876587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:40:59, skipping insertion in model container [2022-12-13 09:40:59,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:40:58" (2/3) ... [2022-12-13 09:40:59,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53876587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:40:59, skipping insertion in model container [2022-12-13 09:40:59,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:40:59" (3/3) ... [2022-12-13 09:40:59,758 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-word-subst.wvr.c [2022-12-13 09:40:59,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:40:59,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-12-13 09:40:59,778 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:40:59,895 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-13 09:40:59,942 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:40:59,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:40:59,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:40:59,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:40:59,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:40:59,979 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:40:59,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork0 ======== [2022-12-13 09:40:59,993 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;@6738a4cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:40:59,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 09:41:00,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:00,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:00,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1977940101, now seen corresponding path program 1 times [2022-12-13 09:41:00,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:00,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1392638030] [2022-12-13 09:41:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:00,311 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 09:41:00,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:00,344 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:00,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:00,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 09:41:00,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:00,518 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 09:41:00,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:41:00,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:00,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1392638030] [2022-12-13 09:41:00,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1392638030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:00,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:00,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:41:00,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359562105] [2022-12-13 09:41:00,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:00,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 09:41:00,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:00,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 09:41:00,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 09:41:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:00,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:00,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 74.0) internal successors, (148), 2 states have internal predecessors, (148), 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 09:41:00,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:00,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:00,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:00,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:00,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:00,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1817791418, now seen corresponding path program 1 times [2022-12-13 09:41:00,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:00,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1706917392] [2022-12-13 09:41:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:00,812 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 09:41:00,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:00,815 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:00,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:01,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 09:41:01,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:01,097 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 09:41:01,202 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 09:41:01,203 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:41:01,203 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:01,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1706917392] [2022-12-13 09:41:01,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1706917392] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:01,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:01,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 09:41:01,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600160693] [2022-12-13 09:41:01,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:01,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 09:41:01,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:01,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 09:41:01,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 09:41:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:01,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:01,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 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 09:41:01,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:01,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:01,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:01,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:01,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:01,747 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:01,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:01,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1817791419, now seen corresponding path program 1 times [2022-12-13 09:41:01,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:01,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892359263] [2022-12-13 09:41:01,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:01,749 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 09:41:01,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:01,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:01,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:01,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 09:41:01,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:02,024 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 09:41:02,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:41:02,024 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:02,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892359263] [2022-12-13 09:41:02,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892359263] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:02,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:02,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 09:41:02,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053143720] [2022-12-13 09:41:02,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:02,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 09:41:02,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:02,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 09:41:02,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 09:41:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:02,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.75) internal successors, (142), 9 states have internal predecessors, (142), 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 09:41:02,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:02,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:02,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:02,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:02,554 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:02,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:02,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1721206391, now seen corresponding path program 1 times [2022-12-13 09:41:02,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:02,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032607184] [2022-12-13 09:41:02,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:02,555 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 09:41:02,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:02,556 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:02,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:02,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 09:41:02,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:02,688 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 09:41:02,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:41:02,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:02,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032607184] [2022-12-13 09:41:02,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032607184] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:02,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:02,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:41:02,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566162908] [2022-12-13 09:41:02,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:02,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:41:02,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:02,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:41:02,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:41:02,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:02,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 70.5) internal successors, (141), 3 states have internal predecessors, (141), 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 09:41:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:02,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:02,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:02,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:02,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:02,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:02,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1721206392, now seen corresponding path program 1 times [2022-12-13 09:41:02,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:02,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262933788] [2022-12-13 09:41:02,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:02,998 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 09:41:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:02,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:03,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:03,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 09:41:03,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:03,359 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 09:41:03,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 09:41:03,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:03,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262933788] [2022-12-13 09:41:03,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262933788] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:41:03,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:41:03,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 09:41:03,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327886509] [2022-12-13 09:41:03,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:41:03,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 09:41:03,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:03,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 09:41:03,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-12-13 09:41:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:03,363 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:03,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.625) internal successors, (141), 9 states have internal predecessors, (141), 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 09:41:03,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:03,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:03,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:03,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:03,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:03,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:03,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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)] Forceful destruction successful, exit code 0 [2022-12-13 09:41:03,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:03,937 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:03,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:03,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1274976458, now seen corresponding path program 1 times [2022-12-13 09:41:03,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:03,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804720097] [2022-12-13 09:41:03,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:03,939 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 09:41:03,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:03,940 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:03,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:04,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 09:41:04,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:41:04,271 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:41:04,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-12-13 09:41:04,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:41:04,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:04,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804720097] [2022-12-13 09:41:04,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804720097] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:41:04,920 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:41:04,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2022-12-13 09:41:04,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960031354] [2022-12-13 09:41:04,921 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:41:04,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 09:41:04,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:04,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 09:41:04,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-12-13 09:41:04,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:04,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:04,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 10.052631578947368) internal successors, (191), 20 states have internal predecessors, (191), 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 09:41:04,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:04,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:04,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:04,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:04,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:04,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:05,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:05,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 09:41:05,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:05,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:05,963 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:05,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:05,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1482892407, now seen corresponding path program 1 times [2022-12-13 09:41:05,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:05,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1445374764] [2022-12-13 09:41:05,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:05,965 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:41:05,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:05,966 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:05,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:06,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 09:41:06,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:06,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:41:06,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:41:06,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2022-12-13 09:41:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:41:07,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:07,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1445374764] [2022-12-13 09:41:07,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1445374764] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:41:07,055 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:41:07,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2022-12-13 09:41:07,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191698938] [2022-12-13 09:41:07,055 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:41:07,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 09:41:07,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:07,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 09:41:07,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2022-12-13 09:41:07,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:07,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:07,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 12.789473684210526) internal successors, (243), 20 states have internal predecessors, (243), 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 09:41:07,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:07,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:07,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:07,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:07,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:07,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-12-13 09:41:07,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:08,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:08,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:08,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:08,899 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:08,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:08,900 INFO L85 PathProgramCache]: Analyzing trace with hash 604441765, now seen corresponding path program 1 times [2022-12-13 09:41:08,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:08,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072250283] [2022-12-13 09:41:08,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:08,903 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 09:41:08,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:08,906 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:08,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:09,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-13 09:41:09,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:09,172 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 09:41:09,791 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-13 09:41:09,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:41:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:41:13,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:13,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072250283] [2022-12-13 09:41:13,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072250283] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:41:13,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:41:13,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 36 [2022-12-13 09:41:13,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459118243] [2022-12-13 09:41:13,382 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:41:13,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-12-13 09:41:13,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:13,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-12-13 09:41:13,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 09:41:13,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:13,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:13,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.111111111111111) internal successors, (220), 36 states have internal predecessors, (220), 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 09:41:13,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:13,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:13,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:13,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:13,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:13,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:13,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:13,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:19,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:19,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:41:19,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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)] Forceful destruction successful, exit code 0 [2022-12-13 09:41:20,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:20,128 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:20,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash 310664915, now seen corresponding path program 1 times [2022-12-13 09:41:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:20,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1860490409] [2022-12-13 09:41:20,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:41:20,137 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 09:41:20,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:20,138 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:20,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:41:20,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 09:41:20,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:20,425 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 09:41:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-13 09:41:21,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:41:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 09:41:25,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:25,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1860490409] [2022-12-13 09:41:25,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1860490409] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:41:25,397 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:41:25,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 40 [2022-12-13 09:41:25,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315783123] [2022-12-13 09:41:25,397 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:41:25,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-12-13 09:41:25,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:25,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-12-13 09:41:25,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1404, Unknown=0, NotChecked=0, Total=1560 [2022-12-13 09:41:25,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:25,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:25,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 6.1) internal successors, (244), 40 states have internal predecessors, (244), 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 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:41:25,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:33,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:33,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:41:33,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:41:33,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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)] Ended with exit code 0 [2022-12-13 09:41:33,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:33,663 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:33,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:33,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1295328129, now seen corresponding path program 2 times [2022-12-13 09:41:33,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:33,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1207544826] [2022-12-13 09:41:33,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:41:33,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 09:41:33,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:33,666 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:33,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (12)] Waiting until timeout for monitored process [2022-12-13 09:41:33,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:41:33,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:41:33,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-13 09:41:33,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:34,039 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 09:41:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 23 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 09:41:35,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:41:41,871 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-13 09:41:41,871 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:41:41,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1207544826] [2022-12-13 09:41:41,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1207544826] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:41:41,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:41:41,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 48 [2022-12-13 09:41:41,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961026024] [2022-12-13 09:41:41,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:41:41,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-12-13 09:41:41,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:41:41,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-12-13 09:41:41,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=2042, Unknown=0, NotChecked=0, Total=2256 [2022-12-13 09:41:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:41,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:41:41,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.5) internal successors, (264), 48 states have internal predecessors, (264), 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 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:41:41,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:53,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:41:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:41:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:41:53,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (12)] Ended with exit code 0 [2022-12-13 09:41:54,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:54,141 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:41:54,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:41:54,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1629780655, now seen corresponding path program 3 times [2022-12-13 09:41:54,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:41:54,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [631901392] [2022-12-13 09:41:54,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:41:54,144 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 09:41:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:41:54,147 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:41:54,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (13)] Waiting until timeout for monitored process [2022-12-13 09:41:54,517 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-13 09:41:54,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:41:54,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 09:41:54,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:41:54,689 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 09:41:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 09:41:55,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:42:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-12-13 09:42:02,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:42:02,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [631901392] [2022-12-13 09:42:02,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [631901392] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:42:02,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:42:02,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 46 [2022-12-13 09:42:02,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692919011] [2022-12-13 09:42:02,200 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:42:02,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-12-13 09:42:02,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:42:02,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-12-13 09:42:02,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=1948, Unknown=0, NotChecked=0, Total=2162 [2022-12-13 09:42:02,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:02,204 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:42:02,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 5.586956521739131) internal successors, (257), 47 states have internal predecessors, (257), 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 09:42:02,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:02,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:42:02,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:42:02,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:42:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:42:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:42:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:42:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:42:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:42:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:42:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:42:30,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:42:30,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (13)] Forceful destruction successful, exit code 0 [2022-12-13 09:42:30,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:42:30,266 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:42:30,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:42:30,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1885866129, now seen corresponding path program 4 times [2022-12-13 09:42:30,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:42:30,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673148949] [2022-12-13 09:42:30,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 09:42:30,270 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 09:42:30,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:42:30,272 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:42:30,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (14)] Waiting until timeout for monitored process [2022-12-13 09:42:30,553 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 09:42:30,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:42:30,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-13 09:42:30,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:42:30,671 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 09:42:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 120 proven. 57 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-12-13 09:42:32,042 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:42:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 09:42:42,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:42:42,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673148949] [2022-12-13 09:42:42,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1673148949] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:42:42,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:42:42,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 33] total 60 [2022-12-13 09:42:42,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081084152] [2022-12-13 09:42:42,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:42:42,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-12-13 09:42:42,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:42:42,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-12-13 09:42:42,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=3276, Unknown=0, NotChecked=0, Total=3540 [2022-12-13 09:42:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:42,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:42:42,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 5.366666666666666) internal successors, (322), 60 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 09:42:42,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:42:42,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:43:00,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:43:00,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:43:00,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (14)] Ended with exit code 0 [2022-12-13 09:43:00,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:43:00,690 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:43:00,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:00,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1641693725, now seen corresponding path program 5 times [2022-12-13 09:43:00,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:43:00,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847553545] [2022-12-13 09:43:00,694 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 09:43:00,694 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 09:43:00,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:43:00,695 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:43:00,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (15)] Waiting until timeout for monitored process [2022-12-13 09:43:01,360 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2022-12-13 09:43:01,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:43:01,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-13 09:43:01,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:01,490 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 09:43:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 117 proven. 106 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-12-13 09:43:03,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:43:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 250 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-12-13 09:43:16,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:43:16,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847553545] [2022-12-13 09:43:16,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847553545] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:43:16,886 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:43:16,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 36] total 67 [2022-12-13 09:43:16,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510819308] [2022-12-13 09:43:16,886 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:43:16,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-12-13 09:43:16,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:43:16,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-12-13 09:43:16,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=4085, Unknown=0, NotChecked=0, Total=4422 [2022-12-13 09:43:16,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:16,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:43:16,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 5.119402985074627) internal successors, (343), 67 states have internal predecessors, (343), 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 09:43:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:43:16,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:43:16,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:43:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:43:43,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:43:43,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (15)] Ended with exit code 0 [2022-12-13 09:43:43,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:43:43,216 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:43:43,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:43:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1123200761, now seen corresponding path program 6 times [2022-12-13 09:43:43,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:43:43,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094211957] [2022-12-13 09:43:43,219 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 09:43:43,220 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 09:43:43,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:43:43,221 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:43:43,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (16)] Waiting until timeout for monitored process [2022-12-13 09:43:44,172 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2022-12-13 09:43:44,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:43:44,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-13 09:43:44,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:43:44,598 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 09:43:47,102 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-12-13 09:43:47,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:44:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2022-12-13 09:44:04,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:44:04,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094211957] [2022-12-13 09:44:04,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094211957] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:44:04,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:44:04,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 31] total 67 [2022-12-13 09:44:04,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055510318] [2022-12-13 09:44:04,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:44:04,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-12-13 09:44:04,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:44:04,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-12-13 09:44:04,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=394, Invalid=4162, Unknown=0, NotChecked=0, Total=4556 [2022-12-13 09:44:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:04,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:44:04,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 67 states have (on average 5.656716417910448) internal successors, (379), 68 states have internal predecessors, (379), 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 09:44:04,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:04,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:44:04,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:44:42,713 WARN L233 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 236 DAG size of output: 133 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:45:05,234 WARN L233 SmtUtils]: Spent 6.54s on a formula simplification. DAG size of input: 215 DAG size of output: 124 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:45:12,640 WARN L233 SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 210 DAG size of output: 119 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-13 09:46:14,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:46:14,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:46:14,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 09:46:14,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (16)] Forceful destruction successful, exit code 0 [2022-12-13 09:46:15,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:46:15,100 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:46:15,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:46:15,101 INFO L85 PathProgramCache]: Analyzing trace with hash -2130243975, now seen corresponding path program 7 times [2022-12-13 09:46:15,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:46:15,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1062172016] [2022-12-13 09:46:15,104 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-13 09:46:15,104 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 09:46:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:46:15,106 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:46:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (17)] Waiting until timeout for monitored process [2022-12-13 09:46:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:46:15,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 64 conjunts are in the unsatisfiable core [2022-12-13 09:46:15,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:46:15,841 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 09:46:19,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 528 proven. 306 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-12-13 09:46:19,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:46:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 0 proven. 1086 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-12-13 09:46:47,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:46:47,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1062172016] [2022-12-13 09:46:47,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1062172016] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:46:47,892 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:46:47,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 55] total 96 [2022-12-13 09:46:47,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129542032] [2022-12-13 09:46:47,892 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:46:47,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-12-13 09:46:47,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:46:47,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-12-13 09:46:47,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=511, Invalid=8609, Unknown=0, NotChecked=0, Total=9120 [2022-12-13 09:46:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:46:47,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:46:47,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 4.854166666666667) internal successors, (466), 96 states have internal predecessors, (466), 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 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:46:47,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:46:47,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:46:47,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:46:47,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:46:47,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:46:47,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:46:47,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-12-13 09:46:47,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:47:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:47:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:47:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:47:32,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:47:32,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 09:47:32,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-12-13 09:47:32,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (17)] Ended with exit code 0 [2022-12-13 09:47:32,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:47:32,891 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:47:32,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:47:32,893 INFO L85 PathProgramCache]: Analyzing trace with hash -374650539, now seen corresponding path program 8 times [2022-12-13 09:47:32,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:47:32,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367945576] [2022-12-13 09:47:32,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 09:47:32,896 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 09:47:32,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:47:32,899 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:47:32,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (18)] Waiting until timeout for monitored process [2022-12-13 09:47:33,935 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 09:47:33,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:47:33,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 69 conjunts are in the unsatisfiable core [2022-12-13 09:47:33,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:47:34,141 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 09:47:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 408 proven. 704 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2022-12-13 09:47:39,579 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:48:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1518 backedges. 0 proven. 1166 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-12-13 09:48:15,745 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 09:48:15,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367945576] [2022-12-13 09:48:15,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367945576] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 09:48:15,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 09:48:15,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 60] total 114 [2022-12-13 09:48:15,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895823756] [2022-12-13 09:48:15,746 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 09:48:15,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2022-12-13 09:48:15,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 09:48:15,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2022-12-13 09:48:15,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=808, Invalid=12074, Unknown=0, NotChecked=0, Total=12882 [2022-12-13 09:48:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:48:15,756 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:48:15,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 4.614035087719298) internal successors, (526), 114 states have internal predecessors, (526), 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 09:48:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:48:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:48:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:48:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:48:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:48:15,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-12-13 09:48:15,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:49:22,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:49:22,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-12-13 09:49:22,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-12-13 09:49:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-13 09:49:22,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (18)] Ended with exit code 0 [2022-12-13 09:49:22,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:49:22,449 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread2Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread2Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 5 more)] === [2022-12-13 09:49:22,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:49:22,450 INFO L85 PathProgramCache]: Analyzing trace with hash 267361549, now seen corresponding path program 9 times [2022-12-13 09:49:22,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 09:49:22,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429583489] [2022-12-13 09:49:22,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 09:49:22,453 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 09:49:22,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/bin/ugemcutter-rbreBovr8w/mathsat [2022-12-13 09:49:22,456 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 09:49:22,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9a2227-bfbf-4f1d-9d68-ef3de9a67fe3/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 (19)] Waiting until timeout for monitored process [2022-12-13 09:49:27,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-12-13 09:49:27,527 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 09:49:27,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 103 conjunts are in the unsatisfiable core [2022-12-13 09:49:27,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 09:49:27,741 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 09:49:27,747 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 09:49:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-13 09:49:30,199 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 14 treesize of output 16 [2022-12-13 09:49:30,213 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-12-13 09:49:30,213 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 09:49:31,720 INFO L321 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2022-12-13 09:49:31,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-12-13 09:49:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2214 backedges. 234 proven. 831 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2022-12-13 09:49:48,395 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 09:51:44,397 WARN L837 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_create_fresh_int_array_~size#1| (_ BitVec 32))) (or (forall ((|v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| (_ BitVec 32)) (thread2Thread1of1ForFork0_~i~1 (_ BitVec 32))) (let ((.cse0 (bvmul thread2Thread1of1ForFork0_~i~1 (_ bv4 32))) (.cse1 (bvmul (_ bv4 32) |ULTIMATE.start_create_fresh_int_array_~size#1|))) (or (bvule (bvadd .cse0 (_ bv12 32)) .cse1) (not (bvule (bvadd .cse0 (_ bv8 32)) .cse1)) (not (bvule (bvadd .cse0 c_~get1~0.offset (_ bv12 32)) (select (store |c_#length| |v_ULTIMATE.start_create_fresh_int_array_#t~malloc34#1.base_44| .cse1) c_~get1~0.base)))))) (not (bvslt (_ bv11 32) |ULTIMATE.start_create_fresh_int_array_~size#1|)) (bvslt (_ bv12 32) |ULTIMATE.start_create_fresh_int_array_~size#1|))) is different from false