./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae --- 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-dbf71c6-m [2022-10-17 16:31:02,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:02,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:02,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:02,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:02,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:02,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:02,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:02,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:02,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:02,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:02,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:02,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:02,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:02,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:02,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:02,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:02,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:02,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:02,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:02,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:02,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:02,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:02,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:02,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:02,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:02,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:02,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:02,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:02,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:02,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:02,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:02,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:02,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:02,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:02,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:02,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:02,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:02,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:02,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:02,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:02,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:31:02,966 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:02,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:02,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:02,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:02,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:02,970 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:02,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:31:02,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:02,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:02,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:02,972 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:31:02,972 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:31:02,972 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:31:02,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:02,973 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:02,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:02,973 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:02,973 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:02,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:02,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:02,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:02,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:02,975 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:02,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:02,975 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_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 345f2c82068eea48aca6314e15d35413af585b08222f0693277bcfbc8625f6ae [2022-10-17 16:31:03,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:03,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:03,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:03,327 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:03,328 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:03,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2022-10-17 16:31:03,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/data/6210eb784/0ccd715e455a46c29f51ef37a4370134/FLAGbff3d306d [2022-10-17 16:31:04,140 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:04,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i [2022-10-17 16:31:04,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/data/6210eb784/0ccd715e455a46c29f51ef37a4370134/FLAGbff3d306d [2022-10-17 16:31:04,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/data/6210eb784/0ccd715e455a46c29f51ef37a4370134 [2022-10-17 16:31:04,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:04,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:04,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:04,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:04,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:04,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:04" (1/1) ... [2022-10-17 16:31:04,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4056c6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:04, skipping insertion in model container [2022-10-17 16:31:04,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:04" (1/1) ... [2022-10-17 16:31:04,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:04,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:04,648 WARN L230 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_73cd6fab-6c19-427c-862f-3f92955516f9/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2022-10-17 16:31:05,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:05,870 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:05,881 WARN L230 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_73cd6fab-6c19-427c-862f-3f92955516f9/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl.i[456,469] [2022-10-17 16:31:06,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:06,379 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:06,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06 WrapperNode [2022-10-17 16:31:06,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:06,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:06,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:06,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:06,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,573 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 201, calls inlined = 246, statements flattened = 1803 [2022-10-17 16:31:06,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:06,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:06,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:06,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:06,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,732 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:06,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:06,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:06,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:06,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:06" (1/1) ... [2022-10-17 16:31:06,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:06,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:06,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cd6fab-6c19-427c-862f-3f92955516f9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:31:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:31:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:31:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:06,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:31:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:06,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:31:06,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:31:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:31:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:31:06,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:07,336 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:07,339 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:10,189 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:10,975 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:10,975 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:31:10,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:10 BoogieIcfgContainer [2022-10-17 16:31:10,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:10,985 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:10,986 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:10,996 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:10,996 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:10" (1/1) ... [2022-10-17 16:31:11,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2022-10-17 16:31:11,117 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2022-10-17 16:31:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:31:11,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:11,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:12,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:12,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2022-10-17 16:31:12,725 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2022-10-17 16:31:12,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:31:12,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:12,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2022-10-17 16:31:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2022-10-17 16:31:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:31:14,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:14,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:14,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:31:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:31:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:31:14,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:14,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:14,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2022-10-17 16:31:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2022-10-17 16:31:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:31:15,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 531 states and 600 transitions. [2022-10-17 16:31:16,504 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 600 transitions. [2022-10-17 16:31:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:31:16,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:16,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:16,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:31:18,268 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:31:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:31:18,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:19,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 532 states and 601 transitions. [2022-10-17 16:31:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 601 transitions. [2022-10-17 16:31:19,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:31:19,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 533 states and 602 transitions. [2022-10-17 16:31:19,728 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 602 transitions. [2022-10-17 16:31:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:31:19,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:31:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 535 states and 607 transitions. [2022-10-17 16:31:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 607 transitions. [2022-10-17 16:31:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:31:22,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:22,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 537 states and 609 transitions. [2022-10-17 16:31:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 609 transitions. [2022-10-17 16:31:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:31:23,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:23,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:23,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:23,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 539 states and 611 transitions. [2022-10-17 16:31:23,863 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 611 transitions. [2022-10-17 16:31:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:31:23,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:23,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:24,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:31:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 541 states and 613 transitions. [2022-10-17 16:31:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 613 transitions. [2022-10-17 16:31:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:31:27,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:31:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 540 states and 612 transitions. [2022-10-17 16:31:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 612 transitions. [2022-10-17 16:31:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:31:28,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:31:28,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2022-10-17 16:31:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2022-10-17 16:31:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:31:28,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:31:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 540 states and 614 transitions. [2022-10-17 16:31:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 614 transitions. [2022-10-17 16:31:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:31:28,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:31:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 541 states and 615 transitions. [2022-10-17 16:31:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 615 transitions. [2022-10-17 16:31:29,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:31:29,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:29,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:31:29,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:29,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 535 states and 604 transitions. [2022-10-17 16:31:29,933 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 604 transitions. [2022-10-17 16:31:29,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:31:29,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:29,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:31:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 534 states and 603 transitions. [2022-10-17 16:31:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 603 transitions. [2022-10-17 16:31:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:31:30,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:30,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:30,753 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:31:31,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:31,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 536 states and 605 transitions. [2022-10-17 16:31:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 605 transitions. [2022-10-17 16:31:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:31:31,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.