./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH --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 de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d --- 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-e04fb08 [2022-11-16 07:41:00,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:41:00,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:41:00,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:41:00,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:41:00,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:41:00,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:41:00,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:41:00,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:41:00,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:41:00,987 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:41:00,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:41:00,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:41:00,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:41:00,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:41:00,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:41:01,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:41:01,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:41:01,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:41:01,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:41:01,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:41:01,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:41:01,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:41:01,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:41:01,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:41:01,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:41:01,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:41:01,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:41:01,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:41:01,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:41:01,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:41:01,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:41:01,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:41:01,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:41:01,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:41:01,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:41:01,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:41:01,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:41:01,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:41:01,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:41:01,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:41:01,029 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 07:41:01,049 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:41:01,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:41:01,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:41:01,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:41:01,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:41:01,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:41:01,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:41:01,052 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:41:01,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:41:01,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:41:01,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:41:01,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:41:01,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:41:01,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:41:01,054 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:41:01,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:41:01,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:41:01,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:41:01,055 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:41:01,055 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:41:01,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:41:01,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:41:01,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:41:01,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:41:01,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:41:01,057 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:41:01,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:41:01,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:41:01,057 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_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d [2022-11-16 07:41:01,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:41:01,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:41:01,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:41:01,360 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:41:01,362 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:41:01,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2022-11-16 07:41:01,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/data/eed584a47/252d9c1a48a54e06a19da61c59981dc1/FLAG1534bdd01 [2022-11-16 07:41:01,983 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:41:01,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2022-11-16 07:41:01,999 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/data/eed584a47/252d9c1a48a54e06a19da61c59981dc1/FLAG1534bdd01 [2022-11-16 07:41:02,318 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/data/eed584a47/252d9c1a48a54e06a19da61c59981dc1 [2022-11-16 07:41:02,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:41:02,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:41:02,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:41:02,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:41:02,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:41:02,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf60525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02, skipping insertion in model container [2022-11-16 07:41:02,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:41:02,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:41:02,659 WARN L229 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_c794e940-5238-4960-90fd-463dcdf1b193/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2022-11-16 07:41:02,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:41:02,672 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:41:02,738 WARN L229 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_c794e940-5238-4960-90fd-463dcdf1b193/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2022-11-16 07:41:02,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:41:02,755 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:41:02,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02 WrapperNode [2022-11-16 07:41:02,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:41:02,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:41:02,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:41:02,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:41:02,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,826 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 421 [2022-11-16 07:41:02,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:41:02,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:41:02,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:41:02,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:41:02,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:41:02,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:41:02,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:41:02,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:41:02,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:02" (1/1) ... [2022-11-16 07:41:02,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:41:02,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:41:02,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:41:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c794e940-5238-4960-90fd-463dcdf1b193/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:41:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:41:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 07:41:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:41:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:41:03,129 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:41:03,131 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:41:03,792 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:41:04,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:41:04,624 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 07:41:04,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:41:04 BoogieIcfgContainer [2022-11-16 07:41:04,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:41:04,628 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:41:04,629 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:41:04,639 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:41:04,640 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:41:04" (1/1) ... [2022-11-16 07:41:04,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:41:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:04,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-11-16 07:41:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-11-16 07:41:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 07:41:04,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:04,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:41:07,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:07,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-11-16 07:41:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-11-16 07:41:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 07:41:07,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:07,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:41:08,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-11-16 07:41:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-11-16 07:41:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 07:41:08,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:08,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:10,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:41:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-11-16 07:41:11,062 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-11-16 07:41:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 07:41:11,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:11,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:12,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:41:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-11-16 07:41:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-11-16 07:41:12,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 07:41:12,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:41:28,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:28,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2022-11-16 07:41:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2022-11-16 07:41:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 07:41:28,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:28,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:29,670 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:41:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2022-11-16 07:41:33,983 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-11-16 07:41:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 07:41:33,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:41:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:41:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:41:53,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 86 transitions. [2022-11-16 07:41:53,476 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2022-11-16 07:41:53,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 07:41:53,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:41:53,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:41:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:42:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:42:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:42:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2022-11-16 07:42:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2022-11-16 07:42:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 07:42:12,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:42:12,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:42:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:42:15,809 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:42:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:42:29,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 78 states and 147 transitions. [2022-11-16 07:42:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 147 transitions. [2022-11-16 07:42:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:42:29,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:42:29,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:42:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:42:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:42:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:42:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 86 states and 161 transitions. [2022-11-16 07:42:34,827 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2022-11-16 07:42:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:42:34,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:42:34,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:42:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:42:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:42:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:42:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 99 states and 193 transitions. [2022-11-16 07:42:51,710 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2022-11-16 07:42:51,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:42:51,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:42:51,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:42:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:42:54,801 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:43:08,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:43:08,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 110 states and 214 transitions. [2022-11-16 07:43:08,803 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2022-11-16 07:43:08,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:43:08,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:43:08,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:43:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:43:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:43:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:43:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 112 states and 220 transitions. [2022-11-16 07:43:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 220 transitions. [2022-11-16 07:43:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:43:11,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:43:11,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:43:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:43:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:43:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:43:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 123 states and 245 transitions. [2022-11-16 07:43:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 245 transitions. [2022-11-16 07:43:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 07:43:29,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:43:29,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:43:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:43:30,555 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:43:31,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:43:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 124 states and 249 transitions. [2022-11-16 07:43:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 249 transitions. [2022-11-16 07:43:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 07:43:31,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:43:31,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:43:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:43:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-16 07:43:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:43:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 124 states and 248 transitions. [2022-11-16 07:43:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 248 transitions. [2022-11-16 07:43:33,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 07:43:33,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:43:33,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:43:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:44:41,102 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:46:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:46:37,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 150 states and 307 transitions. [2022-11-16 07:46:37,681 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 307 transitions. [2022-11-16 07:46:37,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 07:46:37,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:46:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:46:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:46:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:46:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:46:51,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 158 states and 332 transitions. [2022-11-16 07:46:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 332 transitions. [2022-11-16 07:46:51,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 07:46:51,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:46:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:46:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:49:11,873 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 506 DAG size of output: 501 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)