./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.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_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/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_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/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_795ce614-6997-4975-b118-dc2c89a338c4/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 4d2ad25966f5b06d930031b35708c7035a644982dad73f08910281a8c7df501a --- 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 16:59:28,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:28,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:28,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:28,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:28,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:28,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:28,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:28,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:28,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:28,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:28,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:28,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:28,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:28,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:28,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:28,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:28,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:28,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:28,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:28,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:28,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:28,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:28,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:28,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:28,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:28,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:28,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:28,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:28,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:28,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:28,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:28,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:28,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:28,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:28,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:28,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:28,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:28,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:28,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:28,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:28,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:28,495 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:28,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:28,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:28,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:28,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:28,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:28,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:28,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:28,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:28,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:28,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:28,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:28,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:28,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:28,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:28,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:28,500 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:28,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:28,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:28,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:28,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:28,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:28,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:28,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:28,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:28,502 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:28,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:28,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:28,504 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_795ce614-6997-4975-b118-dc2c89a338c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d2ad25966f5b06d930031b35708c7035a644982dad73f08910281a8c7df501a [2022-10-17 16:59:28,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:28,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:28,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:28,828 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:28,830 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:28,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-17 16:59:28,904 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/data/cd1d4e568/26e4df5770b94b9ea4c2ea952e7b6e6b/FLAGfd3778076 [2022-10-17 16:59:29,394 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:29,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c [2022-10-17 16:59:29,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/data/cd1d4e568/26e4df5770b94b9ea4c2ea952e7b6e6b/FLAGfd3778076 [2022-10-17 16:59:29,732 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/data/cd1d4e568/26e4df5770b94b9ea4c2ea952e7b6e6b [2022-10-17 16:59:29,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:29,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:29,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:29,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:29,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:29,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:29" (1/1) ... [2022-10-17 16:59:29,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae4718a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:29, skipping insertion in model container [2022-10-17 16:59:29,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:29" (1/1) ... [2022-10-17 16:59:29,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:29,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:30,051 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_795ce614-6997-4975-b118-dc2c89a338c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4373,4386] [2022-10-17 16:59:30,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:30,086 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:30,144 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_795ce614-6997-4975-b118-dc2c89a338c4/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+cfa-reducer.c[4373,4386] [2022-10-17 16:59:30,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:30,211 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:30,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30 WrapperNode [2022-10-17 16:59:30,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:30,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:30,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:30,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:30,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,282 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 320 [2022-10-17 16:59:30,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:30,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:30,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:30,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:30,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:30,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:30,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:30,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:30,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:30" (1/1) ... [2022-10-17 16:59:30,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:30,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:30,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:30,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_795ce614-6997-4975-b118-dc2c89a338c4/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:30,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:30,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:30,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:30,603 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:30,605 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:31,123 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:31,272 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:31,273 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:59:31,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:31 BoogieIcfgContainer [2022-10-17 16:59:31,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:31,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:31,278 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:31,289 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:31,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:31" (1/1) ... [2022-10-17 16:59:31,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 59 states and 96 transitions. [2022-10-17 16:59:31,387 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2022-10-17 16:59:31,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:59:31,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:31,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:31,778 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 16:59:31,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2022-10-17 16:59:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2022-10-17 16:59:31,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:59:31,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:31,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:32,054 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 16:59:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 67 states and 108 transitions. [2022-10-17 16:59:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 108 transitions. [2022-10-17 16:59:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:59:32,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:32,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:32,286 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 16:59:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 78 states and 128 transitions. [2022-10-17 16:59:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 128 transitions. [2022-10-17 16:59:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:59:32,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:32,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:32,719 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 16:59:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 81 states and 133 transitions. [2022-10-17 16:59:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 133 transitions. [2022-10-17 16:59:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:59:32,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:32,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:32,845 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 16:59:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:32,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 82 states and 133 transitions. [2022-10-17 16:59:32,870 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 133 transitions. [2022-10-17 16:59:32,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:59:32,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:32,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:32,979 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 16:59:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 85 states and 138 transitions. [2022-10-17 16:59:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 138 transitions. [2022-10-17 16:59:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:59:33,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:33,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:33,071 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 16:59:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 86 states and 138 transitions. [2022-10-17 16:59:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2022-10-17 16:59:33,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:59:33,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:33,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:33,184 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 16:59:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:33,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 94 states and 151 transitions. [2022-10-17 16:59:33,805 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 151 transitions. [2022-10-17 16:59:33,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:59:33,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:33,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:34,074 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 16:59:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:36,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 169 transitions. [2022-10-17 16:59:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2022-10-17 16:59:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:59:36,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:36,199 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 16:59:36,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 109 states and 174 transitions. [2022-10-17 16:59:36,260 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2022-10-17 16:59:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:59:36,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:36,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:36,334 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 16:59:36,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:36,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 110 states and 174 transitions. [2022-10-17 16:59:36,378 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 174 transitions. [2022-10-17 16:59:36,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:36,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:36,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:36,611 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 16:59:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 118 states and 189 transitions. [2022-10-17 16:59:39,469 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 189 transitions. [2022-10-17 16:59:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:39,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:39,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:40,246 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 16:59:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:48,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 136 states and 232 transitions. [2022-10-17 16:59:48,082 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 232 transitions. [2022-10-17 16:59:48,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:48,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:48,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:48,458 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 16:59:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 149 states and 258 transitions. [2022-10-17 16:59:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 258 transitions. [2022-10-17 16:59:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:59:57,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:57,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:57,305 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 16:59:59,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:59,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 157 states and 271 transitions. [2022-10-17 16:59:59,733 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 271 transitions. [2022-10-17 16:59:59,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:59:59,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:59,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:59,936 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 17:00:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 166 states and 289 transitions. [2022-10-17 17:00:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 289 transitions. [2022-10-17 17:00:04,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:00:04,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:04,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.