./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4 --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 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba --- 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 [2022-12-15 00:22:53,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:22:53,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:22:53,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:22:53,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:22:53,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:22:53,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:22:53,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:22:53,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:22:53,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:22:53,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:22:53,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:22:53,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:22:53,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:22:53,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:22:53,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:22:53,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:22:53,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:22:53,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:22:53,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:22:53,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:22:53,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:22:53,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:22:53,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:22:53,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:22:53,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:22:53,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:22:53,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:22:53,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:22:53,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:22:53,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:22:53,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:22:53,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:22:53,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:22:53,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:22:53,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:22:53,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:22:53,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:22:53,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:22:53,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:22:53,530 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:22:53,531 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:22:53,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:22:53,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:22:53,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:22:53,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:22:53,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:22:53,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:22:53,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:22:53,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:22:53,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:22:53,554 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:22:53,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:22:53,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:22:53,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:22:53,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:22:53,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:22:53,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:22:53,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:22:53,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:22:53,555 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:22:53,555 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:22:53,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:22:53,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:22:53,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:22:53,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:22:53,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:22:53,557 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:22:53,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:22:53,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:22:53,557 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_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3134c54bcf8aadaf562f6870f2277db1ec6f958b1ed6dba99e7410745dba79ba [2022-12-15 00:22:53,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:22:53,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:22:53,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:22:53,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:22:53,786 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:22:53,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2022-12-15 00:22:56,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:22:56,422 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:22:56,423 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c [2022-12-15 00:22:56,427 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/data/9501ecc4a/099fc6e5f5c94538ab7749ac0d7c20ef/FLAG8cd96b9ab [2022-12-15 00:22:56,822 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/data/9501ecc4a/099fc6e5f5c94538ab7749ac0d7c20ef [2022-12-15 00:22:56,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:22:56,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:22:56,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:22:56,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:22:56,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:22:56,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:56,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67177c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56, skipping insertion in model container [2022-12-15 00:22:56,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:56,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:22:56,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:22:56,944 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_9e7d0d97-9caf-42bd-a628-fb473a8282c2/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2022-12-15 00:22:56,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:22:56,963 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:22:56,972 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_9e7d0d97-9caf-42bd-a628-fb473a8282c2/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound50.c[489,502] [2022-12-15 00:22:56,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:22:56,986 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:22:56,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56 WrapperNode [2022-12-15 00:22:56,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:22:56,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:22:56,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:22:56,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:22:56,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:56,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,010 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-12-15 00:22:57,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:22:57,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:22:57,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:22:57,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:22:57,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,024 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:22:57,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:22:57,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:22:57,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:22:57,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:22:56" (1/1) ... [2022-12-15 00:22:57,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:22:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:22:57,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:22:57,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e7d0d97-9caf-42bd-a628-fb473a8282c2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:22:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:22:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 00:22:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 00:22:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:22:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:22:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:22:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 00:22:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 00:22:57,149 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:22:57,151 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:22:57,264 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:22:57,292 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:22:57,292 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:22:57,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:22:57 BoogieIcfgContainer [2022-12-15 00:22:57,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:22:57,294 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:22:57,294 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:22:57,301 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:22:57,301 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:22:57" (1/1) ... [2022-12-15 00:22:57,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:22:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-15 00:22:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-15 00:22:57,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:22:57,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:57,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 00:22:57,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:22:57,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-15 00:22:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-15 00:22:57,693 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-15 00:22:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:22:57,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:57,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:57,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 00:22:57,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:22:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 00:22:58,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 55 transitions. [2022-12-15 00:22:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-15 00:22:58,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:22:58,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:58,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:58,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 00:22:58,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:22:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-15 00:22:58,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 75 transitions. [2022-12-15 00:22:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2022-12-15 00:22:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-15 00:22:58,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:58,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:58,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 00:22:58,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:22:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 00:22:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 73 transitions. [2022-12-15 00:22:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2022-12-15 00:22:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 00:22:58,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:58,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:58,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 00:22:58,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:22:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-15 00:22:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 43 states and 86 transitions. [2022-12-15 00:22:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 86 transitions. [2022-12-15 00:22:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-15 00:22:59,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:59,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:59,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:22:59,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:22:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 00:22:59,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:22:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 47 states and 95 transitions. [2022-12-15 00:22:59,858 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 95 transitions. [2022-12-15 00:22:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 00:22:59,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:59,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:22:59,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 00:22:59,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-15 00:23:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 52 states and 113 transitions. [2022-12-15 00:23:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2022-12-15 00:23:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 00:23:01,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:01,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 00:23:01,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:01,645 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-15 00:23:02,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:02,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 56 states and 123 transitions. [2022-12-15 00:23:02,053 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 123 transitions. [2022-12-15 00:23:02,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-15 00:23:02,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:02,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:02,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 00:23:02,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-15 00:23:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 129 transitions. [2022-12-15 00:23:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 129 transitions. [2022-12-15 00:23:02,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 00:23:02,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:02,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:02,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 00:23:02,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 00:23:05,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 68 states and 150 transitions. [2022-12-15 00:23:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 150 transitions. [2022-12-15 00:23:05,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 00:23:05,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:05,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:06,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-15 00:23:06,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 00:23:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 155 transitions. [2022-12-15 00:23:06,780 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 155 transitions. [2022-12-15 00:23:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-15 00:23:06,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:06,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:06,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 00:23:06,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:07,050 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-15 00:23:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 75 states and 165 transitions. [2022-12-15 00:23:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 165 transitions. [2022-12-15 00:23:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 00:23:23,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:23,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:23,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 00:23:23,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:24,959 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-15 00:23:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 79 states and 182 transitions. [2022-12-15 00:23:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 182 transitions. [2022-12-15 00:23:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-15 00:23:27,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:27,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:27,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-15 00:23:27,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-12-15 00:23:29,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:29,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 80 states and 185 transitions. [2022-12-15 00:23:29,039 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2022-12-15 00:23:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-15 00:23:29,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:29,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:29,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:23:29,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:29,083 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-15 00:23:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 192 transitions. [2022-12-15 00:23:29,990 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 192 transitions. [2022-12-15 00:23:29,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-15 00:23:29,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:29,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:30,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:23:30,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-15 00:23:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 83 states and 193 transitions. [2022-12-15 00:23:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 193 transitions. [2022-12-15 00:23:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-15 00:23:30,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:30,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:30,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:23:30,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:23:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 20 proven. 27 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-15 00:23:44,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 87 states and 212 transitions. [2022-12-15 00:23:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 212 transitions. [2022-12-15 00:23:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-15 00:23:44,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:44,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:44,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-15 00:23:44,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-12-15 00:24:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 96 states and 231 transitions. [2022-12-15 00:24:15,931 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 231 transitions. [2022-12-15 00:24:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-15 00:24:15,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:15,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:15,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:24:15,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 32 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-15 00:24:17,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 98 states and 235 transitions. [2022-12-15 00:24:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 235 transitions. [2022-12-15 00:24:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 00:24:17,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:17,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:17,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:24:17,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:21,116 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-15 00:24:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:30,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 102 states and 249 transitions. [2022-12-15 00:24:30,559 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 249 transitions. [2022-12-15 00:24:30,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 00:24:30,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:30,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:30,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:24:30,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-15 00:24:32,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:32,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 105 states and 255 transitions. [2022-12-15 00:24:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 255 transitions. [2022-12-15 00:24:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-12-15 00:24:32,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:32,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-15 00:24:32,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-12-15 00:24:35,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:35,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 106 states and 256 transitions. [2022-12-15 00:24:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 256 transitions. [2022-12-15 00:24:35,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 00:24:35,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:35,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:35,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 00:24:35,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-15 00:24:41,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 110 states and 275 transitions. [2022-12-15 00:24:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 275 transitions. [2022-12-15 00:24:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 00:24:41,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:41,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:41,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 00:24:41,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:44,690 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-12-15 00:24:46,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 112 states and 279 transitions. [2022-12-15 00:24:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 279 transitions. [2022-12-15 00:24:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 00:24:46,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:46,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:46,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 00:24:46,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-15 00:24:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 113 states and 282 transitions. [2022-12-15 00:24:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 282 transitions. [2022-12-15 00:24:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 00:24:48,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:48,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:48,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:24:48,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 00:24:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 115 states and 290 transitions. [2022-12-15 00:24:52,822 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 290 transitions. [2022-12-15 00:24:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 00:24:52,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:52,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:52,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:24:52,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 00:24:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 116 states and 291 transitions. [2022-12-15 00:24:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 291 transitions. [2022-12-15 00:24:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-15 00:24:56,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:56,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:24:56,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:24:56,601 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-12-15 00:24:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 117 states and 292 transitions. [2022-12-15 00:24:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 292 transitions. [2022-12-15 00:24:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 00:24:57,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:57,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:57,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 00:24:57,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:25:13,888 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-12-15 00:25:37,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:25:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 121 states and 309 transitions. [2022-12-15 00:25:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 309 transitions. [2022-12-15 00:25:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 00:25:37,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:25:37,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:25:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:25:38,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-15 00:25:38,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:25:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-12-15 00:25:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:25:45,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 123 states and 317 transitions. [2022-12-15 00:25:45,942 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 317 transitions. [2022-12-15 00:25:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-15 00:25:45,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:25:45,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:25:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:25:46,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 00:25:46,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:25:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 47 proven. 28 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-12-15 00:25:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:25:59,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 124 states and 318 transitions. [2022-12-15 00:25:59,160 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 318 transitions. [2022-12-15 00:25:59,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 00:25:59,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:25:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:25:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:25:59,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 00:25:59,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:26:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 00:26:23,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:26:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 128 states and 333 transitions. [2022-12-15 00:26:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 333 transitions. [2022-12-15 00:26:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 00:26:23,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:26:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:26:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:26:23,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 00:26:23,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:26:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 00:26:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:26:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 131 states and 341 transitions. [2022-12-15 00:26:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 341 transitions. [2022-12-15 00:26:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 00:26:31,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:26:31,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:26:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:26:32,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-15 00:26:32,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:26:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 78 proven. 46 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-12-15 00:26:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:26:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 132 states and 343 transitions. [2022-12-15 00:26:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 343 transitions. [2022-12-15 00:26:47,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-15 00:26:47,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:26:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:26:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:26:47,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-15 00:26:47,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:26:53,201 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 52 proven. 31 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-12-15 00:26:55,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:26:55,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 133 states and 344 transitions. [2022-12-15 00:26:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 344 transitions. [2022-12-15 00:26:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 00:26:55,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:26:55,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:26:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:26:55,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 00:26:55,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:27:32,763 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:27:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 00:28:02,871 WARN L233 SmtUtils]: Spent 20.81s on a formula simplification. DAG size of input: 115 DAG size of output: 50 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:28:39,733 WARN L233 SmtUtils]: Spent 10.75s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:29:31,468 WARN L233 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 117 DAG size of output: 61 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:29:39,347 WARN L233 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 49 DAG size of output: 44 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:29:57,468 WARN L233 SmtUtils]: Spent 8.91s on a formula simplification. DAG size of input: 108 DAG size of output: 100 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:30:01,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 00:30:07,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 137 states and 365 transitions. [2022-12-15 00:30:07,350 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 365 transitions. [2022-12-15 00:30:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 00:30:07,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:07,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-15 00:30:07,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:30:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 55 proven. 43 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2022-12-15 00:30:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 139 states and 371 transitions. [2022-12-15 00:30:45,057 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 371 transitions. [2022-12-15 00:30:45,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 00:30:45,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:45,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:45,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 00:30:45,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:30:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 39 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-12-15 00:30:49,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:49,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 140 states and 374 transitions. [2022-12-15 00:30:49,183 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 374 transitions. [2022-12-15 00:30:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 00:30:49,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:49,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:49,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 00:30:49,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:30:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 00:31:17,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:17,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 141 states and 376 transitions. [2022-12-15 00:31:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 376 transitions. [2022-12-15 00:31:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-15 00:31:17,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:17,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:18,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 00:31:18,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:31:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 53 proven. 42 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-12-15 00:31:26,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:26,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 143 states and 379 transitions. [2022-12-15 00:31:26,153 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 379 transitions. [2022-12-15 00:31:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 00:31:26,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:26,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:26,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:31:26,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:31:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 00:32:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:32:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 145 states and 388 transitions. [2022-12-15 00:32:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 388 transitions. [2022-12-15 00:32:57,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 00:32:57,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:32:57,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:32:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:57,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:32:57,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:32:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 00:33:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:33:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 146 states and 389 transitions. [2022-12-15 00:33:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 389 transitions. [2022-12-15 00:33:00,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 00:33:00,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:33:00,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:33:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:33:00,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:33:00,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:33:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 00:33:02,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:33:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 147 states and 390 transitions. [2022-12-15 00:33:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 390 transitions. [2022-12-15 00:33:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-15 00:33:02,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:33:02,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:33:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:33:02,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 00:33:02,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:33:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-12-15 00:33:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:33:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 148 states and 391 transitions. [2022-12-15 00:33:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 391 transitions. [2022-12-15 00:33:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 00:33:03,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:33:03,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:33:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:33:03,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-15 00:33:03,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:33:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2022-12-15 00:34:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:34:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 163 states and 447 transitions. [2022-12-15 00:34:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 447 transitions. [2022-12-15 00:34:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 00:34:25,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:34:25,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:34:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:34:25,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 00:34:25,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:34:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 41 proven. 67 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-15 00:35:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:35:13,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 166 states and 462 transitions. [2022-12-15 00:35:13,562 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 462 transitions. [2022-12-15 00:35:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 00:35:13,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:35:13,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:35:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:35:13,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-15 00:35:13,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:36:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 87 proven. 50 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2022-12-15 00:36:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:36:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 173 states and 485 transitions. [2022-12-15 00:36:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 485 transitions. [2022-12-15 00:36:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 00:36:52,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:36:52,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:36:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:36:52,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-15 00:36:52,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:37:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 62 proven. 46 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-12-15 00:37:26,189 WARN L233 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 167 DAG size of output: 120 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:37:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:37:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 175 states and 489 transitions. [2022-12-15 00:37:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 489 transitions. [2022-12-15 00:37:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-15 00:37:45,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:37:45,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:37:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:37:45,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-15 00:37:45,239 INFO L286 TraceCheckSpWp]: Computing forward predicates...