./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.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_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/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_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/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_73ed56ef-2767-439b-ba08-2c47865efa5a/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 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 --- Real Ultimate output --- [0.002s][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 00:29:46,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:29:46,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:29:46,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:29:46,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:29:46,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:29:46,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:29:46,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:29:46,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:29:46,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:29:46,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:29:46,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:29:46,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:29:46,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:29:46,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:29:46,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:29:46,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:29:46,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:29:46,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:29:46,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:29:46,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:29:46,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:29:46,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:29:46,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:29:46,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:29:46,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:29:46,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:29:46,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:29:46,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:29:46,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:29:46,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:29:46,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:29:46,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:29:46,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:29:46,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:29:46,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:29:46,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:29:46,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:29:46,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:29:46,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:29:46,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:29:46,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:29:46,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:29:46,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:29:46,077 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:29:46,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:29:46,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:29:46,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:29:46,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:29:46,078 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:29:46,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:29:46,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:29:46,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:29:46,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:29:46,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:29:46,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:29:46,079 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:29:46,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:29:46,079 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:29:46,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:29:46,080 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:29:46,080 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:29:46,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:29:46,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:29:46,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:29:46,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:29:46,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:29:46,081 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:29:46,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:29:46,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:29:46,081 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_73ed56ef-2767-439b-ba08-2c47865efa5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55ec916898aa0c4eb40269e81429fc0273ca07ec4caf7be0cd441cce0028ad79 [2022-12-15 00:29:46,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:29:46,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:29:46,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:29:46,287 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:29:46,288 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:29:46,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2022-12-15 00:29:48,810 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:29:49,030 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:29:49,030 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c [2022-12-15 00:29:49,041 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/data/bf5657dca/39458270c4d242d991982f43964543b3/FLAGd955bdde9 [2022-12-15 00:29:49,392 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/data/bf5657dca/39458270c4d242d991982f43964543b3 [2022-12-15 00:29:49,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:29:49,397 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:29:49,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:29:49,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:29:49,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:29:49,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234554c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49, skipping insertion in model container [2022-12-15 00:29:49,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:29:49,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:29:49,658 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_73ed56ef-2767-439b-ba08-2c47865efa5a/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2022-12-15 00:29:49,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:29:49,675 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:29:49,720 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_73ed56ef-2767-439b-ba08-2c47865efa5a/sv-benchmarks/c/seq-mthreaded/pals_lcr.8_overflow.ufo.UNBOUNDED.pals.c[26555,26568] [2022-12-15 00:29:49,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:29:49,733 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:29:49,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49 WrapperNode [2022-12-15 00:29:49,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:29:49,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:29:49,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:29:49,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:29:49,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,769 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 488 [2022-12-15 00:29:49,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:29:49,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:29:49,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:29:49,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:29:49,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:29:49,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:29:49,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:29:49,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:29:49,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:29:49" (1/1) ... [2022-12-15 00:29:49,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:29:49,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:29:49,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:29:49,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ed56ef-2767-439b-ba08-2c47865efa5a/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:29:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:29:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:29:49,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:29:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:29:49,960 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:29:49,961 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:29:50,331 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:29:50,921 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:29:50,921 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:29:50,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:29:50 BoogieIcfgContainer [2022-12-15 00:29:50,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:29:50,924 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:29:50,924 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:29:50,931 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:29:50,931 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:29:50" (1/1) ... [2022-12-15 00:29:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:29:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:50,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-15 00:29:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-15 00:29:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:29:50,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:50,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:53,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-15 00:29:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-15 00:29:53,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:29:53,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:53,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:53,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:53,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-15 00:29:53,849 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-15 00:29:53,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:29:53,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:53,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:55,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-12-15 00:29:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-12-15 00:29:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:29:55,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:29:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:29:56,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:29:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-12-15 00:29:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-12-15 00:29:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:29:56,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:29:56,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:29:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:11,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2022-12-15 00:30:11,537 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2022-12-15 00:30:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:30:11,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:11,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:15,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 43 states and 75 transitions. [2022-12-15 00:30:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2022-12-15 00:30:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:30:15,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:15,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:37,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2022-12-15 00:30:37,894 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2022-12-15 00:30:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:30:37,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:37,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2022-12-15 00:30:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2022-12-15 00:30:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:30:38,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:38,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:30:52,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:30:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2022-12-15 00:30:52,319 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2022-12-15 00:30:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:30:52,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:30:52,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:30:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:30:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:31:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 79 states and 168 transitions. [2022-12-15 00:31:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 168 transitions. [2022-12-15 00:31:09,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:31:09,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:31:27,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:27,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 91 states and 197 transitions. [2022-12-15 00:31:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 197 transitions. [2022-12-15 00:31:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:31:27,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:27,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:31:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 98 states and 210 transitions. [2022-12-15 00:31:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 210 transitions. [2022-12-15 00:31:34,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:31:34,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:34,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:31:39,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 99 states and 215 transitions. [2022-12-15 00:31:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 215 transitions. [2022-12-15 00:31:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:31:39,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:39,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:31:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 100 states and 219 transitions. [2022-12-15 00:31:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 219 transitions. [2022-12-15 00:31:41,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:31:41,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:41,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 00:31:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 100 states and 218 transitions. [2022-12-15 00:31:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 218 transitions. [2022-12-15 00:31:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:31:43,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:31:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 00:31:46,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:31:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 100 states and 217 transitions. [2022-12-15 00:31:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 217 transitions. [2022-12-15 00:31:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:31:46,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:31:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:31:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:32:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:34:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:34:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 126 states and 287 transitions. [2022-12-15 00:34:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 287 transitions. [2022-12-15 00:34:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:34:14,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:34:14,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:34:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:34:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:37:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:37:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 152 states and 361 transitions. [2022-12-15 00:37:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 361 transitions. [2022-12-15 00:37:13,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:37:13,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:37:13,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:37:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:38:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:39:03,410 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 592 DAG size of output: 489 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:39:12,342 WARN L233 SmtUtils]: Spent 5.88s on a formula simplification. DAG size of input: 594 DAG size of output: 521 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:39:26,082 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 600 DAG size of output: 492 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:39:35,062 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 602 DAG size of output: 525 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:39:53,981 WARN L233 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 605 DAG size of output: 528 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:40:07,891 WARN L233 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 604 DAG size of output: 496 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:40:14,414 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 606 DAG size of output: 529 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 00:41:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 176 states and 435 transitions. [2022-12-15 00:41:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 435 transitions. [2022-12-15 00:41:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:41:24,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:24,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat