./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/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_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 --- 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 16:51:24,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:24,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:24,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:24,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:24,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:24,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:24,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:25,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:25,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:25,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:25,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:25,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:25,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:25,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:25,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:25,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:25,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:25,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:25,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:25,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:25,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:25,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:25,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:25,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:25,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:25,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:25,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:25,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:25,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:25,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:25,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:25,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:25,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:25,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:25,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:25,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:25,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:25,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:25,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:25,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:25,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:25,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:25,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:25,116 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:25,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:25,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:25,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:25,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:25,118 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:25,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:25,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:25,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:25,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:25,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:25,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:25,120 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:25,120 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:25,120 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:25,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:25,121 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:25,121 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:25,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:25,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:25,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:25,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:25,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:25,122 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:25,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:25,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:25,123 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_e78333c9-34af-4da5-878e-a5ba90035616/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 [2022-10-17 16:51:25,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:25,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:25,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:25,465 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:25,466 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:25,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2022-10-17 16:51:25,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/data/e9eee7f82/1fb2df13faf945998cab632637b2b2c2/FLAGee28a71e8 [2022-10-17 16:51:25,962 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:25,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2022-10-17 16:51:25,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/data/e9eee7f82/1fb2df13faf945998cab632637b2b2c2/FLAGee28a71e8 [2022-10-17 16:51:26,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/data/e9eee7f82/1fb2df13faf945998cab632637b2b2c2 [2022-10-17 16:51:26,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:26,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:26,384 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:26,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:26,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:26,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302706de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26, skipping insertion in model container [2022-10-17 16:51:26,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:26,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:26,642 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_e78333c9-34af-4da5-878e-a5ba90035616/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c[538,551] [2022-10-17 16:51:26,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:26,670 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:26,687 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_e78333c9-34af-4da5-878e-a5ba90035616/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c[538,551] [2022-10-17 16:51:26,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:26,727 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:26,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26 WrapperNode [2022-10-17 16:51:26,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:26,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:26,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:26,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:26,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,773 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-10-17 16:51:26,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:26,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:26,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:26,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:26,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,794 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:26,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:26,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:26,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:26,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:26" (1/1) ... [2022-10-17 16:51:26,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:26,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:26,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:26,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e78333c9-34af-4da5-878e-a5ba90035616/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:26,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:26,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:51:26,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:51:26,951 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:26,954 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:27,107 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:27,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:27,148 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:51:27,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:27 BoogieIcfgContainer [2022-10-17 16:51:27,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:27,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:27,152 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:27,162 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:27,163 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:27" (1/1) ... [2022-10-17 16:51:27,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:27,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:51:27,273 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:51:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:27,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:27,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:51:27,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:27,495 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 16:51:27,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:27,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:51:27,523 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:51:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:27,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:27,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,795 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 16:51:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2022-10-17 16:51:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 16:51:27,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:27,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:27,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:28,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:51:28,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:28,077 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 16:51:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2022-10-17 16:51:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:51:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:28,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:28,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:28,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:29,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:29,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2022-10-17 16:51:29,092 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:51:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:29,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:29,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:29,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:51:29,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:51:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2022-10-17 16:51:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 16:51:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:51:30,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:51:30,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:30,722 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:32,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 95 transitions. [2022-10-17 16:51:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2022-10-17 16:51:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:51:32,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:32,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:32,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:51:32,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 107 transitions. [2022-10-17 16:51:33,496 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2022-10-17 16:51:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:51:33,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:33,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:51:33,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:33,640 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 112 transitions. [2022-10-17 16:51:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2022-10-17 16:51:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:51:34,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:34,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:34,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:34,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:34,459 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:51:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 59 states and 127 transitions. [2022-10-17 16:51:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2022-10-17 16:51:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:51:36,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:36,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:51:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:36,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 128 transitions. [2022-10-17 16:51:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2022-10-17 16:51:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:51:36,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:51:36,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:51:41,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:41,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 66 states and 144 transitions. [2022-10-17 16:51:41,485 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 144 transitions. [2022-10-17 16:51:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:51:41,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:41,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:41,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:51:41,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:41,681 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:51:42,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:42,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 68 states and 145 transitions. [2022-10-17 16:51:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 145 transitions. [2022-10-17 16:51:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:51:42,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:42,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:42,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:51:42,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:51:47,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:47,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 74 states and 170 transitions. [2022-10-17 16:51:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 170 transitions. [2022-10-17 16:51:47,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:51:47,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:47,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:51:47,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:51:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 184 transitions. [2022-10-17 16:51:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 184 transitions. [2022-10-17 16:51:51,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:51:51,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:51,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:51,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:51:51,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:51:53,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:53,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 81 states and 191 transitions. [2022-10-17 16:51:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 191 transitions. [2022-10-17 16:51:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:51:53,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:53,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:51:53,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:51:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:51:58,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 91 states and 255 transitions. [2022-10-17 16:51:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 255 transitions. [2022-10-17 16:51:58,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:51:58,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:58,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:58,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:51:58,651 INFO L286 TraceCheckSpWp]: Computing forward predicates...