./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.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_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/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_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/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_7a72656d-0563-4f5c-ac6f-409659a02009/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 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d --- 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 16:48:37,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:37,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:37,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:37,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:37,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:37,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:37,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:37,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:37,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:37,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:37,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:37,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:37,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:37,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:37,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:37,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:37,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:37,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:37,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:37,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:37,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:37,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:37,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:37,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:37,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:37,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:37,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:37,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:37,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:37,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:37,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:37,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:37,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:37,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:37,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:37,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:37,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:37,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:37,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:37,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:37,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:37,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:37,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:37,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:37,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:37,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:37,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:37,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:37,373 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:37,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:37,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:37,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:37,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:37,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:37,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:37,375 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:37,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:37,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:37,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:37,376 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:37,376 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:37,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:37,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:37,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:37,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:37,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:37,377 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:37,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:37,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:37,379 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_7a72656d-0563-4f5c-ac6f-409659a02009/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d [2022-10-17 16:48:37,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:37,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:37,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:37,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:37,646 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:37,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2022-10-17 16:48:37,750 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/data/a17436ef9/aa1a3750007446938d6329ad2e44f0e7/FLAGb60a1c452 [2022-10-17 16:48:38,141 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:38,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2022-10-17 16:48:38,148 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/data/a17436ef9/aa1a3750007446938d6329ad2e44f0e7/FLAGb60a1c452 [2022-10-17 16:48:38,548 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/data/a17436ef9/aa1a3750007446938d6329ad2e44f0e7 [2022-10-17 16:48:38,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:38,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:38,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:38,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:38,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:38,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300d8afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38, skipping insertion in model container [2022-10-17 16:48:38,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:38,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:38,766 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_7a72656d-0563-4f5c-ac6f-409659a02009/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c[576,589] [2022-10-17 16:48:38,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:38,793 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:38,803 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_7a72656d-0563-4f5c-ac6f-409659a02009/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c[576,589] [2022-10-17 16:48:38,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:38,823 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:38,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38 WrapperNode [2022-10-17 16:48:38,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:38,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:38,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:38,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:38,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,859 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-10-17 16:48:38,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:38,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:38,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:38,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:38,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,880 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:38,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:38,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:38,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:38,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:38" (1/1) ... [2022-10-17 16:48:38,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:38,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:38,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a72656d-0563-4f5c-ac6f-409659a02009/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:48:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:48:39,058 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:39,060 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:39,212 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:39,248 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:39,248 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:48:39,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:39 BoogieIcfgContainer [2022-10-17 16:48:39,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:39,252 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:39,252 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:39,262 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:39,263 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2022-10-17 16:48:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 16:48:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:48:39,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:48:39,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:39,584 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 16:48:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:48:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:48:39,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:39,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:48:39,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:39,743 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 16:48:39,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:39,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 16:48:39,809 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:48:39,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:48:39,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:39,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:39,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:48:39,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:39,971 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 16:48:40,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2022-10-17 16:48:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-10-17 16:48:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:48:40,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:48:40,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:40,291 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 16:48:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2022-10-17 16:48:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2022-10-17 16:48:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:48:40,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:48:40,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:48:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 16:48:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:48:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:48:41,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:41,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:41,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:48:41,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:41,177 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 16:48:41,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2022-10-17 16:48:41,229 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-10-17 16:48:41,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:48:41,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:41,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:41,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:48:41,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:48:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2022-10-17 16:48:42,535 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2022-10-17 16:48:42,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:48:42,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:42,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:48:42,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:42,597 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:48:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 53 states and 116 transitions. [2022-10-17 16:48:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 116 transitions. [2022-10-17 16:48:43,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:48:43,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:43,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:43,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:43,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:43,485 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 16:48:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2022-10-17 16:48:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2022-10-17 16:48:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:48:45,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:45,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:45,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:48:45,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:48:47,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 69 states and 175 transitions. [2022-10-17 16:48:47,012 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 175 transitions. [2022-10-17 16:48:47,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:48:47,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:48:47,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:48:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2022-10-17 16:48:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2022-10-17 16:48:49,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:48:49,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:49,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:49,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:48:49,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:49,712 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:48:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 84 states and 242 transitions. [2022-10-17 16:48:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 242 transitions. [2022-10-17 16:48:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:48:50,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:48:50,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:48:51,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 86 states and 243 transitions. [2022-10-17 16:48:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 243 transitions. [2022-10-17 16:48:51,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:48:51,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:51,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:51,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:48:51,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:51,853 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 16:48:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 98 states and 291 transitions. [2022-10-17 16:48:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 291 transitions. [2022-10-17 16:48:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:48:59,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:59,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:48:59,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:48:59,835 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 16:49:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 101 states and 299 transitions. [2022-10-17 16:49:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 299 transitions. [2022-10-17 16:49:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:49:01,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:01,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:01,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:49:01,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:02,210 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:49:05,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 112 states and 342 transitions. [2022-10-17 16:49:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 342 transitions. [2022-10-17 16:49:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:49:05,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:05,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:05,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:49:05,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:49:07,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 116 states and 346 transitions. [2022-10-17 16:49:07,087 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 346 transitions. [2022-10-17 16:49:07,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:49:07,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:07,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:07,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:49:07,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-17 16:49:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 121 states and 360 transitions. [2022-10-17 16:49:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 360 transitions. [2022-10-17 16:49:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:49:10,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:10,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:49:10,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:49:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.