./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/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_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/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_217e7455-7a67-4a5e-8728-d375c6647b22/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 cf2e081cc9f75dea6397073b82669a6a6f9f53b1ab4e083e4f8da1bc210df95c --- 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 [2022-12-14 23:15:18,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:15:18,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:15:18,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:15:18,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:15:18,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:15:18,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:15:18,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:15:18,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:15:18,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:15:18,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:15:18,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:15:18,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:15:18,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:15:18,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:15:18,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:15:18,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:15:18,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:15:18,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:15:18,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:15:18,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:15:18,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:15:18,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:15:18,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:15:18,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:15:18,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:15:18,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:15:18,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:15:18,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:15:18,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:15:18,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:15:18,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:15:18,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:15:18,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:15:18,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:15:18,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:15:18,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:15:18,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:15:18,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:15:18,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:15:18,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:15:18,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:15:18,803 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:15:18,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:15:18,804 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:15:18,804 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:15:18,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:15:18,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:15:18,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:15:18,805 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:15:18,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:15:18,806 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:15:18,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:15:18,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:15:18,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:15:18,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:15:18,807 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:15:18,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:15:18,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:15:18,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:15:18,807 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:15:18,807 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:15:18,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:15:18,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:15:18,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:15:18,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:15:18,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:15:18,808 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:15:18,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:15:18,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:15:18,808 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_217e7455-7a67-4a5e-8728-d375c6647b22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf2e081cc9f75dea6397073b82669a6a6f9f53b1ab4e083e4f8da1bc210df95c [2022-12-14 23:15:18,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:15:19,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:15:19,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:15:19,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:15:19,008 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:15:19,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c [2022-12-14 23:15:21,637 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:15:21,779 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:15:21,779 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c [2022-12-14 23:15:21,785 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/data/f7a2fb5a9/1499b03c7619419991118f4383808137/FLAG8c05bf273 [2022-12-14 23:15:21,799 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/data/f7a2fb5a9/1499b03c7619419991118f4383808137 [2022-12-14 23:15:21,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:15:21,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:15:21,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:15:21,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:15:21,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:15:21,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:15:21" (1/1) ... [2022-12-14 23:15:21,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ecc046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:21, skipping insertion in model container [2022-12-14 23:15:21,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:15:21" (1/1) ... [2022-12-14 23:15:21,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:15:21,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:15:21,989 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_217e7455-7a67-4a5e-8728-d375c6647b22/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c[12820,12833] [2022-12-14 23:15:21,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:15:22,003 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:15:22,039 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_217e7455-7a67-4a5e-8728-d375c6647b22/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c[12820,12833] [2022-12-14 23:15:22,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:15:22,051 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:15:22,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22 WrapperNode [2022-12-14 23:15:22,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:15:22,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:15:22,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:15:22,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:15:22,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,087 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 349 [2022-12-14 23:15:22,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:15:22,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:15:22,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:15:22,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:15:22,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,109 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:15:22,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:15:22,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:15:22,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:15:22,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:15:22" (1/1) ... [2022-12-14 23:15:22,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:15:22,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:15:22,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:15:22,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_217e7455-7a67-4a5e-8728-d375c6647b22/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:15:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:15:22,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:15:22,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:15:22,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:15:22,247 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:15:22,248 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:15:22,590 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:15:23,033 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:15:23,033 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:15:23,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:15:23 BoogieIcfgContainer [2022-12-14 23:15:23,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:15:23,037 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:15:23,037 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:15:23,046 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:15:23,047 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:15:23" (1/1) ... [2022-12-14 23:15:23,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:15:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:15:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 23:15:23,104 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 23:15:23,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 23:15:23,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:15:23,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:15:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:15:24,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:15:24,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:15:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-12-14 23:15:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-12-14 23:15:24,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:15:24,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:15:24,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:15:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:15:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:15:29,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:15:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-12-14 23:15:29,656 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-12-14 23:15:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 23:15:29,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:15:29,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:15:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:15:31,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:15:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:15:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2022-12-14 23:15:33,897 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2022-12-14 23:15:33,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:15:33,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:15:33,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:15:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:18:17,983 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:19:08,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 23:19:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:19:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2022-12-14 23:19:35,888 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2022-12-14 23:19:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:19:35,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:19:35,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:19:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:20:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:20:17,791 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 544 DAG size of output: 524 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:20:31,043 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 540 DAG size of output: 520 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:20:42,833 WARN L233 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 627 DAG size of output: 484 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:20:49,569 WARN L233 SmtUtils]: Spent 5.83s on a formula simplification. DAG size of input: 629 DAG size of output: 623 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:21:03,733 WARN L233 SmtUtils]: Spent 6.34s on a formula simplification. DAG size of input: 623 DAG size of output: 480 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:21:09,625 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 625 DAG size of output: 619 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 23:21:38,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:21:38,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 37 states and 78 transitions. [2022-12-14 23:21:38,866 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 78 transitions. [2022-12-14 23:21:38,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:21:38,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:21:38,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:21:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:21:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 42 states and 91 transitions. [2022-12-14 23:22:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 91 transitions. [2022-12-14 23:22:11,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:22:11,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:11,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:22:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:22:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:22:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 48 states and 108 transitions. [2022-12-14 23:22:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 108 transitions. [2022-12-14 23:22:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 23:22:44,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:22:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:22:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat