./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.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_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/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_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/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_b40fa957-627f-483b-a09b-2dcc1140d2ba/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 cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed --- 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 17:05:49,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:49,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:49,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:49,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:49,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:49,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:49,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:49,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:49,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:49,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:49,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:49,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:49,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:49,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:49,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:49,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:49,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:49,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:49,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:49,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:49,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:49,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:49,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:49,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:49,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:49,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:49,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:49,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:49,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:49,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:49,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:49,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:49,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:49,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:49,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:49,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:49,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:49,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:49,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:49,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:49,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:49,735 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:49,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:49,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:49,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:49,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:49,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:49,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:49,739 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:49,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:49,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:49,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:49,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:49,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:49,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:49,741 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:49,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:49,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:49,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:49,742 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:49,742 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:49,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:49,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:49,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:49,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:49,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:49,744 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:49,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:49,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:49,745 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_b40fa957-627f-483b-a09b-2dcc1140d2ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb55eb0e5d7c4df3b95a55b83f19894edf68e79ccb0eab5e69a8aa23c994caed [2022-10-17 17:05:50,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:50,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:50,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:50,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:50,112 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:50,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2022-10-17 17:05:50,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/data/4dadd74ca/d27002a9bd394e18b4a4370dc3db0403/FLAG9940d086f [2022-10-17 17:05:50,679 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:50,680 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c [2022-10-17 17:05:50,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/data/4dadd74ca/d27002a9bd394e18b4a4370dc3db0403/FLAG9940d086f [2022-10-17 17:05:51,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/data/4dadd74ca/d27002a9bd394e18b4a4370dc3db0403 [2022-10-17 17:05:51,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:51,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:51,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:51,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:51,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:51,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df7de55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51, skipping insertion in model container [2022-10-17 17:05:51,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:51,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:51,249 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_b40fa957-627f-483b-a09b-2dcc1140d2ba/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c[588,601] [2022-10-17 17:05:51,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:51,307 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:51,324 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_b40fa957-627f-483b-a09b-2dcc1140d2ba/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound50.c[588,601] [2022-10-17 17:05:51,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:51,369 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:51,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51 WrapperNode [2022-10-17 17:05:51,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:51,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:51,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:51,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:51,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,428 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2022-10-17 17:05:51,428 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:51,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:51,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:51,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:51,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,451 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:51,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:51,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:51,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:51,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:51,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:51,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:51,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40fa957-627f-483b-a09b-2dcc1140d2ba/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:51,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:51,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:51,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:51,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:51,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:05:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:05:51,588 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:51,591 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:51,772 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:51,791 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:51,791 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:05:51,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:51 BoogieIcfgContainer [2022-10-17 17:05:51,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:51,795 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:51,796 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:51,806 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:51,807 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:51" (1/1) ... [2022-10-17 17:05:51,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:51,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-10-17 17:05:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-10-17 17:05:51,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:05:51,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:51,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:52,038 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 17:05:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:52,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-10-17 17:05:52,063 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-10-17 17:05:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:52,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:52,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:52,295 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 17:05:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 17:05:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 17:05:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:52,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:52,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:52,641 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 17:05:53,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 53 transitions. [2022-10-17 17:05:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-10-17 17:05:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:05:53,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:53,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:05:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 61 transitions. [2022-10-17 17:05:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 17:05:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:05:53,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:53,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:53,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:05:54,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 72 transitions. [2022-10-17 17:05:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 72 transitions. [2022-10-17 17:05:54,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:05:54,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:54,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:54,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:05:54,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:54,843 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:05:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 77 transitions. [2022-10-17 17:05:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2022-10-17 17:05:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:05:55,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:55,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:55,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:05:55,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 42 states and 80 transitions. [2022-10-17 17:05:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2022-10-17 17:05:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:05:55,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:55,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:55,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:55,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 17:05:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 79 transitions. [2022-10-17 17:05:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-10-17 17:05:56,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:05:56,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:56,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:56,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:05:56,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:05:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 55 states and 129 transitions. [2022-10-17 17:05:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2022-10-17 17:05:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:05:58,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:58,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:58,254 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:05:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 134 transitions. [2022-10-17 17:05:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 134 transitions. [2022-10-17 17:05:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:05:58,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:58,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:58,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:58,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:05:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 60 states and 144 transitions. [2022-10-17 17:05:59,806 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 144 transitions. [2022-10-17 17:05:59,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:05:59,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:59,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:59,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:05:59,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:06:01,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 156 transitions. [2022-10-17 17:06:01,157 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 156 transitions. [2022-10-17 17:06:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:01,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:06:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 64 states and 155 transitions. [2022-10-17 17:06:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 155 transitions. [2022-10-17 17:06:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:06:01,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 17:06:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 67 states and 171 transitions. [2022-10-17 17:06:02,233 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2022-10-17 17:06:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:06:02,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 17:06:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 70 states and 185 transitions. [2022-10-17 17:06:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 185 transitions. [2022-10-17 17:06:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:06:03,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:06:03,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 17:06:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 70 states and 184 transitions. [2022-10-17 17:06:04,200 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 184 transitions. [2022-10-17 17:06:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:06:04,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:06:04,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:06:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 72 states and 192 transitions. [2022-10-17 17:06:04,525 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 192 transitions. [2022-10-17 17:06:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:06:04,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:06:04,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 17:06:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 73 states and 196 transitions. [2022-10-17 17:06:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 196 transitions. [2022-10-17 17:06:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:06:05,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:05,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:05,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 29 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-17 17:06:06,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 74 states and 198 transitions. [2022-10-17 17:06:06,004 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 198 transitions. [2022-10-17 17:06:06,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:06:06,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:06,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 17:06:07,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 75 states and 204 transitions. [2022-10-17 17:06:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 204 transitions. [2022-10-17 17:06:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:06:07,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:07,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-10-17 17:06:09,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 77 states and 210 transitions. [2022-10-17 17:06:09,976 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 210 transitions. [2022-10-17 17:06:09,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:06:09,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:10,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:10,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2022-10-17 17:06:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 77 states and 208 transitions. [2022-10-17 17:06:10,488 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 208 transitions. [2022-10-17 17:06:10,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:06:10,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:10,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:10,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:06:10,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 17:06:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 80 states and 213 transitions. [2022-10-17 17:06:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2022-10-17 17:06:11,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:06:11,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:11,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:12,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:06:12,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 17:06:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 92 states and 302 transitions. [2022-10-17 17:06:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 302 transitions. [2022-10-17 17:06:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:06:15,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:15,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:06:15,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 17:06:16,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 95 states and 306 transitions. [2022-10-17 17:06:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 306 transitions. [2022-10-17 17:06:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:06:16,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:06:16,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:16,217 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-10-17 17:06:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 95 states and 305 transitions. [2022-10-17 17:06:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 305 transitions. [2022-10-17 17:06:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 17:06:16,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:06:16,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:17,913 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 17:06:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.