./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.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_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/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_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/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_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/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 a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:01:20,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:20,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:20,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:20,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:20,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:20,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:20,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:20,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:20,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:20,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:20,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:20,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:20,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:20,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:20,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:20,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:20,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:20,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:20,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:20,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:20,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:20,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:20,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:20,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:20,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:20,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:20,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:20,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:20,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:20,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:20,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:20,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:20,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:20,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:20,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:20,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:20,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:20,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:20,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:20,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:20,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:20,607 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:20,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:20,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:20,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:20,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:20,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:20,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:20,611 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:20,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:20,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:20,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:20,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:20,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:20,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:20,612 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:20,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:20,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:20,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:20,613 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:20,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:20,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:20,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:20,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:20,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:20,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:20,615 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:20,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:20,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:20,616 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_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a340dc1e9a375ad2082e9c8cecf3a1a681edcfe0f7220085504fa1991ced3d70 [2022-10-17 17:01:20,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:20,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:20,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:20,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:20,958 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:20,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2022-10-17 17:01:21,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/data/56825ea4f/d4050d155f5f4fb4a17fc4dc10979e9e/FLAG0cbb7ac11 [2022-10-17 17:01:21,550 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:21,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c [2022-10-17 17:01:21,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/data/56825ea4f/d4050d155f5f4fb4a17fc4dc10979e9e/FLAG0cbb7ac11 [2022-10-17 17:01:21,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/data/56825ea4f/d4050d155f5f4fb4a17fc4dc10979e9e [2022-10-17 17:01:21,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:21,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:21,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:21,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:21,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:21,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:21" (1/1) ... [2022-10-17 17:01:21,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c9972c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:21, skipping insertion in model container [2022-10-17 17:01:21,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:21" (1/1) ... [2022-10-17 17:01:21,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:21,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:22,128 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_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c[576,589] [2022-10-17 17:01:22,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:22,161 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:22,176 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_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound10.c[576,589] [2022-10-17 17:01:22,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:22,200 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:22,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22 WrapperNode [2022-10-17 17:01:22,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:22,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:22,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:22,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:22,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,239 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-10-17 17:01:22,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:22,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:22,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:22,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:22,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,256 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,262 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,264 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:22,267 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:22,267 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:22,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:22,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:22,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:22,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:22,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0195d6d5-8861-4ed1-9193-604cc6a5cc5f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:22,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:22,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:22,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:22,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:22,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:22,426 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:22,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:22,711 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:22,765 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:22,765 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:01:22,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:22 BoogieIcfgContainer [2022-10-17 17:01:22,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:22,769 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:22,770 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:22,781 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:22,782 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:22" (1/1) ... [2022-10-17 17:01:22,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:22,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2022-10-17 17:01:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2022-10-17 17:01:22,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:01:22,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 17:01:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 17:01:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:23,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 17:01:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 17:01:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:23,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2022-10-17 17:01:24,005 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2022-10-17 17:01:24,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:01:24,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:24,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:24,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:24,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:24,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2022-10-17 17:01:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2022-10-17 17:01:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:01:24,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:24,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:24,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:24,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,780 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 17:01:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 17:01:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 17:01:25,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:01:25,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:01:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2022-10-17 17:01:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-10-17 17:01:25,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:25,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:25,363 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 17:01:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2022-10-17 17:01:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2022-10-17 17:01:26,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:01:26,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:26,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:26,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:26,713 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 17:01:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:27,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 53 states and 116 transitions. [2022-10-17 17:01:27,480 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 116 transitions. [2022-10-17 17:01:27,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:01:27,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:27,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:27,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:01:27,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:01:29,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2022-10-17 17:01:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2022-10-17 17:01:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:01:29,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:29,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:29,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:01:29,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:30,104 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 17:01:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 69 states and 175 transitions. [2022-10-17 17:01:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 175 transitions. [2022-10-17 17:01:31,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:01:31,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:31,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:31,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:31,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:31,449 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 17:01:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 73 states and 184 transitions. [2022-10-17 17:01:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 184 transitions. [2022-10-17 17:01:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:01:32,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:32,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:32,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:32,509 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 17:01:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 80 states and 208 transitions. [2022-10-17 17:01:34,527 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 208 transitions. [2022-10-17 17:01:34,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:01:34,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:34,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:34,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:34,601 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 17:01:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 82 states and 209 transitions. [2022-10-17 17:01:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 209 transitions. [2022-10-17 17:01:35,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:01:35,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:35,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:35,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:01:35,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:35,945 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:01:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 94 states and 253 transitions. [2022-10-17 17:01:42,103 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 253 transitions. [2022-10-17 17:01:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:01:42,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:01:42,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 17:01:45,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 97 states and 259 transitions. [2022-10-17 17:01:45,106 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 259 transitions. [2022-10-17 17:01:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:01:45,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:45,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:45,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:01:45,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:45,560 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 17:01:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 108 states and 297 transitions. [2022-10-17 17:01:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 297 transitions. [2022-10-17 17:01:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:01:48,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:48,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:48,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:48,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:48,531 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 17:01:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:50,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2022-10-17 17:01:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2022-10-17 17:01:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:01:50,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:50,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:50,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:50,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:50,402 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 17:01:53,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 117 states and 316 transitions. [2022-10-17 17:01:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 316 transitions. [2022-10-17 17:01:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:01:53,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:53,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:54,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:54,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.