./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a82391ebb044799bad480df1878c271ded14d474016d9ad90c3e7a554ae5460f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:33:50,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:33:50,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:33:50,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:33:50,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:33:50,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:33:50,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:33:50,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:33:50,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:33:50,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:33:50,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:33:50,796 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:33:50,797 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:33:50,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:33:50,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:33:50,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:33:50,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:33:50,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:33:50,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:33:50,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:33:50,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:33:50,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:33:50,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:33:50,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:33:50,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:33:50,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:33:50,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:33:50,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:33:50,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:33:50,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:33:50,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:33:50,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:33:50,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:33:50,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:33:50,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:33:50,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:33:50,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:33:50,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:33:50,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:33:50,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:33:50,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:33:50,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:33:50,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:33:50,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:33:50,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:33:50,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:33:50,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:33:50,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:33:50,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:33:50,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:33:50,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:33:50,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:33:50,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:33:50,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:33:50,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:33:50,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:33:50,879 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:33:50,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:33:50,880 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:33:50,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:33:50,880 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:33:50,881 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:33:50,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:33:50,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:50,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:33:50,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:33:50,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:33:50,882 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:33:50,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:33:50,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:33:50,883 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_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82391ebb044799bad480df1878c271ded14d474016d9ad90c3e7a554ae5460f [2022-10-17 16:33:51,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:33:51,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:33:51,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:33:51,156 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:33:51,157 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:33:51,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-17 16:33:51,224 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/data/d36185f14/5e27031339f14040982cfbd30b8dce52/FLAGfb92553f7 [2022-10-17 16:33:51,675 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:33:51,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-17 16:33:51,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/data/d36185f14/5e27031339f14040982cfbd30b8dce52/FLAGfb92553f7 [2022-10-17 16:33:52,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/data/d36185f14/5e27031339f14040982cfbd30b8dce52 [2022-10-17 16:33:52,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:33:52,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:33:52,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:52,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:33:52,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:33:52,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0bbb6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52, skipping insertion in model container [2022-10-17 16:33:52,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:33:52,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:33:52,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4067,4080] [2022-10-17 16:33:52,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:52,402 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:33:52,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4067,4080] [2022-10-17 16:33:52,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:33:52,471 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:33:52,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52 WrapperNode [2022-10-17 16:33:52,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:33:52,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:52,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:33:52,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:33:52,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,519 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 270 [2022-10-17 16:33:52,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:33:52,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:33:52,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:33:52,521 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:33:52,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:33:52,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:33:52,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:33:52,572 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:33:52,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:33:52" (1/1) ... [2022-10-17 16:33:52,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:33:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:33:52,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:33:52,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0573d242-d0ec-4d48-b08f-48eb4b15e840/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:33:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:33:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:33:52,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:33:52,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:33:52,866 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:33:52,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:33:53,322 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:33:53,448 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:33:53,455 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:33:53,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:53 BoogieIcfgContainer [2022-10-17 16:33:53,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:33:53,461 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:33:53,462 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:33:53,475 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:33:53,475 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:33:53" (1/1) ... [2022-10-17 16:33:53,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:33:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2022-10-17 16:33:53,571 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2022-10-17 16:33:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:33:53,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:53,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:54,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2022-10-17 16:33:54,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2022-10-17 16:33:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:33:54,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:54,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2022-10-17 16:33:54,502 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2022-10-17 16:33:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:33:54,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:54,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:54,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2022-10-17 16:33:54,662 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2022-10-17 16:33:54,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:33:54,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2022-10-17 16:33:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2022-10-17 16:33:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:33:55,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:55,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:55,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 70 states and 112 transitions. [2022-10-17 16:33:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 112 transitions. [2022-10-17 16:33:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:33:55,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:55,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 112 transitions. [2022-10-17 16:33:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 112 transitions. [2022-10-17 16:33:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:33:55,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:55,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:56,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 88 states and 143 transitions. [2022-10-17 16:33:56,615 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 143 transitions. [2022-10-17 16:33:56,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:33:56,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:56,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:56,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 89 states and 143 transitions. [2022-10-17 16:33:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2022-10-17 16:33:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:33:56,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:56,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2022-10-17 16:33:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2022-10-17 16:33:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:33:56,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:56,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 143 transitions. [2022-10-17 16:33:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2022-10-17 16:33:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:33:57,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:33:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:33:58,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 109 states and 176 transitions. [2022-10-17 16:33:58,901 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 176 transitions. [2022-10-17 16:33:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:33:58,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:33:58,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:33:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:33:59,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:01,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:01,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 128 states and 209 transitions. [2022-10-17 16:34:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2022-10-17 16:34:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:34:01,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:01,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 129 states and 209 transitions. [2022-10-17 16:34:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 209 transitions. [2022-10-17 16:34:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:34:02,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:02,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:02,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:02,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 130 states and 209 transitions. [2022-10-17 16:34:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 209 transitions. [2022-10-17 16:34:02,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:34:02,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:02,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 131 states and 212 transitions. [2022-10-17 16:34:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 212 transitions. [2022-10-17 16:34:02,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:34:02,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:02,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:02,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 132 states and 212 transitions. [2022-10-17 16:34:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 212 transitions. [2022-10-17 16:34:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:34:02,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:02,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 133 states and 212 transitions. [2022-10-17 16:34:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2022-10-17 16:34:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:34:02,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:02,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:03,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 134 states and 212 transitions. [2022-10-17 16:34:03,025 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 212 transitions. [2022-10-17 16:34:03,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:34:03,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:03,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:07,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 142 states and 226 transitions. [2022-10-17 16:34:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 226 transitions. [2022-10-17 16:34:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:34:07,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:07,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:08,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 146 states and 237 transitions. [2022-10-17 16:34:08,871 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 237 transitions. [2022-10-17 16:34:08,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:34:08,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:16,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.