./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_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_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/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_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/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_56cbb332-8cc8-4c68-97ca-862b83651a8e/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 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b --- 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 16:42:31,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:31,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:31,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:31,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:31,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:31,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:31,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:31,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:31,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:31,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:31,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:31,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:31,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:31,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:31,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:31,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:31,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:31,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:31,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:31,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:31,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:31,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:31,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:31,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:31,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:31,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:31,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:31,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:31,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:31,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:31,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:31,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:31,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:31,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:31,610 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:31,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:31,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:31,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:31,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:31,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:31,615 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:31,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:31,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:31,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:31,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:31,670 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:31,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:31,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:31,671 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:31,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:31,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:31,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:31,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:31,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:31,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:31,674 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:31,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:31,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:31,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:31,675 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:31,676 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:31,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:31,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:31,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:31,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:31,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:31,677 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:31,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:31,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:31,678 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_56cbb332-8cc8-4c68-97ca-862b83651a8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b [2022-10-17 16:42:32,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:32,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:32,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:32,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:32,057 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:32,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2022-10-17 16:42:32,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/data/41f647833/8774ad96b2e246e2b22a5499304c3099/FLAGdc795b53f [2022-10-17 16:42:32,631 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:32,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2022-10-17 16:42:32,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/data/41f647833/8774ad96b2e246e2b22a5499304c3099/FLAGdc795b53f [2022-10-17 16:42:33,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/data/41f647833/8774ad96b2e246e2b22a5499304c3099 [2022-10-17 16:42:33,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:33,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:33,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:33,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:33,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:33,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4739ca8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33, skipping insertion in model container [2022-10-17 16:42:33,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:33,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:33,216 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_56cbb332-8cc8-4c68-97ca-862b83651a8e/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c[526,539] [2022-10-17 16:42:33,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:33,246 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:33,258 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_56cbb332-8cc8-4c68-97ca-862b83651a8e/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c[526,539] [2022-10-17 16:42:33,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:33,283 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:33,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33 WrapperNode [2022-10-17 16:42:33,284 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:33,285 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:33,285 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:33,285 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:33,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,321 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 16:42:33,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:33,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:33,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:33,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:33,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:33,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:33,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:33,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:33,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:33,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:33,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:33,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56cbb332-8cc8-4c68-97ca-862b83651a8e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:33,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:42:33,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:42:33,515 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:33,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:33,760 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:33,821 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:33,836 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:42:33,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:33 BoogieIcfgContainer [2022-10-17 16:42:33,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:33,840 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:33,840 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:33,852 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:33,872 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:33" (1/1) ... [2022-10-17 16:42:33,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:42:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:42:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:42:33,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:33,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:34,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:42:34,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:34,204 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 16:42:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:42:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:42:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:42:34,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:34,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:34,504 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 16:42:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2022-10-17 16:42:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 16:42:34,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:42:34,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:34,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:34,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:34,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:34,743 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 16:42:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2022-10-17 16:42:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:42:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:42:34,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:34,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:35,083 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 16:42:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:35,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2022-10-17 16:42:35,470 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:42:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:42:35,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:35,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:35,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:42:35,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:35,711 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 16:42:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2022-10-17 16:42:36,405 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 16:42:36,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:42:36,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:36,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:36,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:36,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:36,543 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 16:42:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2022-10-17 16:42:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2022-10-17 16:42:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:42:36,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:36,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:36,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:42:36,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:36,898 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 16:42:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2022-10-17 16:42:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2022-10-17 16:42:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:42:37,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:37,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:37,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:42:37,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:42:38,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 112 transitions. [2022-10-17 16:42:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2022-10-17 16:42:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:42:38,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:38,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:38,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:38,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:42:39,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 59 states and 127 transitions. [2022-10-17 16:42:39,611 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2022-10-17 16:42:39,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:42:39,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:39,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:39,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:39,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:42:40,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:40,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 61 states and 128 transitions. [2022-10-17 16:42:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2022-10-17 16:42:40,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:42:40,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:40,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:40,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:42:40,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:41,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 67 states and 149 transitions. [2022-10-17 16:42:41,962 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2022-10-17 16:42:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:42:41,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:41,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:41,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:42:42,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 69 states and 150 transitions. [2022-10-17 16:42:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2022-10-17 16:42:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:42:42,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:42,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:42,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:42,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:42,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 72 states and 163 transitions. [2022-10-17 16:42:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2022-10-17 16:42:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:42:42,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:42,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:43,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:43,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:42:43,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:42:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 77 states and 178 transitions. [2022-10-17 16:42:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 178 transitions. [2022-10-17 16:42:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:42:44,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:44,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:42:44,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:44,551 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 16:42:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 79 states and 185 transitions. [2022-10-17 16:42:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 185 transitions. [2022-10-17 16:42:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:42:45,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:45,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:45,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-17 16:42:45,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 79 states and 183 transitions. [2022-10-17 16:42:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 183 transitions. [2022-10-17 16:42:45,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:42:45,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:45,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:45,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:45,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:42:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 89 states and 243 transitions. [2022-10-17 16:42:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 243 transitions. [2022-10-17 16:42:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:42:48,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:48,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:48,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:48,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:42:48,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 89 states and 242 transitions. [2022-10-17 16:42:48,442 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 242 transitions. [2022-10-17 16:42:48,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:42:48,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:48,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:48,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:48,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:42:49,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 92 states and 252 transitions. [2022-10-17 16:42:49,607 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 252 transitions. [2022-10-17 16:42:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:42:49,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:49,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:49,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:42:49,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:42:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 94 states and 258 transitions. [2022-10-17 16:42:50,403 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 258 transitions. [2022-10-17 16:42:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:42:50,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:50,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:50,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:42:50,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:42:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:50,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 96 states and 259 transitions. [2022-10-17 16:42:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 259 transitions. [2022-10-17 16:42:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:42:50,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:50,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:50,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:42:50,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:51,133 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:42:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:54,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 102 states and 288 transitions. [2022-10-17 16:42:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 288 transitions. [2022-10-17 16:42:54,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:42:54,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:54,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:54,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:42:54,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:42:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 107 states and 315 transitions. [2022-10-17 16:42:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 315 transitions. [2022-10-17 16:42:58,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:42:58,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:58,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:58,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:42:58,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:42:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:43:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 110 states and 319 transitions. [2022-10-17 16:43:00,529 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 319 transitions. [2022-10-17 16:43:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:43:00,531 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:00,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:00,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:43:00,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.