./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 --- 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-2329fc7 [2022-12-15 00:14:25,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:14:25,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:14:25,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:14:25,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:14:25,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:14:25,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:14:25,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:14:25,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:14:25,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:14:25,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:14:25,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:14:25,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:14:25,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:14:25,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:14:25,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:14:25,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:14:25,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:14:25,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:14:25,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:14:25,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:14:25,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:14:25,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:14:25,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:14:25,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:14:25,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:14:25,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:14:25,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:14:25,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:14:25,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:14:25,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:14:25,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:14:25,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:14:25,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:14:25,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:14:25,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:14:25,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:14:25,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:14:25,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:14:25,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:14:25,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:14:25,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:14:25,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:14:25,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:14:25,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:14:25,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:14:25,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:14:25,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:14:25,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:14:25,774 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:14:25,775 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:14:25,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:14:25,775 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:14:25,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:14:25,775 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:14:25,775 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:14:25,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:14:25,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:14:25,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:14:25,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:14:25,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:14:25,776 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:14:25,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:14:25,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:14:25,776 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_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 [2022-12-15 00:14:25,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:14:25,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:14:25,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:14:25,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:14:25,956 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:14:25,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2022-12-15 00:14:28,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:14:28,616 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:14:28,617 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2022-12-15 00:14:28,622 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/data/83e95dee6/f98674b7328748fd83c629c1baa6f7ba/FLAG57de9b4e1 [2022-12-15 00:14:28,636 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/data/83e95dee6/f98674b7328748fd83c629c1baa6f7ba [2022-12-15 00:14:28,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:14:28,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:14:28,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:14:28,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:14:28,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:14:28,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9e2664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28, skipping insertion in model container [2022-12-15 00:14:28,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:14:28,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:14:28,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:14:28,794 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:14:28,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:14:28,821 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:14:28,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28 WrapperNode [2022-12-15 00:14:28,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:14:28,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:14:28,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:14:28,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:14:28,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,850 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2022-12-15 00:14:28,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:14:28,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:14:28,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:14:28,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:14:28,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:14:28,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:14:28,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:14:28,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:14:28,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:14:28" (1/1) ... [2022-12-15 00:14:28,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:14:28,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:14:28,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:14:28,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:14:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:14:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:14:28,972 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:14:28,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:14:29,123 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:14:29,136 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:14:29,136 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:14:29,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:14:29 BoogieIcfgContainer [2022-12-15 00:14:29,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:14:29,139 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:14:29,139 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:14:29,147 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:14:29,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:14:29" (1/1) ... [2022-12-15 00:14:29,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:14:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:29,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2022-12-15 00:14:29,199 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-12-15 00:14:29,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:14:29,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:29,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:29,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:29,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:29,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2022-12-15 00:14:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2022-12-15 00:14:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:14:29,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:29,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:29,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:29,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2022-12-15 00:14:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2022-12-15 00:14:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:14:29,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:29,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:29,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:29,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2022-12-15 00:14:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2022-12-15 00:14:29,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:14:29,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:29,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:29,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:29,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:30,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:30,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2022-12-15 00:14:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-12-15 00:14:30,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:14:30,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:30,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:30,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 00:14:30,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2022-12-15 00:14:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2022-12-15 00:14:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:14:30,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:30,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:30,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:30,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2022-12-15 00:14:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-12-15 00:14:30,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:14:30,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:30,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:30,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 00:14:30,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 79 states and 111 transitions. [2022-12-15 00:14:31,559 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2022-12-15 00:14:31,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:14:31,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:31,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:31,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 00:14:31,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:31,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2022-12-15 00:14:32,276 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2022-12-15 00:14:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:14:32,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:32,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:32,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 00:14:32,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:33,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:33,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 101 states and 151 transitions. [2022-12-15 00:14:33,436 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2022-12-15 00:14:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:14:33,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:33,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:33,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 00:14:33,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 102 states and 152 transitions. [2022-12-15 00:14:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2022-12-15 00:14:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 00:14:33,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:33,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:33,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:33,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:33,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 112 states and 171 transitions. [2022-12-15 00:14:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 171 transitions. [2022-12-15 00:14:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:14:34,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:34,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:34,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:34,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:34,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 118 states and 184 transitions. [2022-12-15 00:14:35,324 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 184 transitions. [2022-12-15 00:14:35,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:14:35,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:35,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:35,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:36,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 129 states and 212 transitions. [2022-12-15 00:14:36,866 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 212 transitions. [2022-12-15 00:14:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:14:36,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:36,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:36,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 00:14:36,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:38,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 137 states and 228 transitions. [2022-12-15 00:14:38,192 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2022-12-15 00:14:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 00:14:38,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:38,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:38,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:38,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 143 states and 243 transitions. [2022-12-15 00:14:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 243 transitions. [2022-12-15 00:14:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:14:39,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:39,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:39,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:39,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:41,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 158 states and 270 transitions. [2022-12-15 00:14:41,769 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 270 transitions. [2022-12-15 00:14:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:14:41,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:41,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:41,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:42,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 165 states and 289 transitions. [2022-12-15 00:14:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2022-12-15 00:14:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:14:45,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:45,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:45,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:45,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:47,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 291 transitions. [2022-12-15 00:14:47,049 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2022-12-15 00:14:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:14:47,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:47,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:47,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:47,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:48,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 173 states and 303 transitions. [2022-12-15 00:14:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 303 transitions. [2022-12-15 00:14:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:14:48,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:48,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:48,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:54,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 181 states and 326 transitions. [2022-12-15 00:14:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 326 transitions. [2022-12-15 00:14:54,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:14:54,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:54,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:54,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:54,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:54,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 182 states and 328 transitions. [2022-12-15 00:14:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 328 transitions. [2022-12-15 00:14:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:14:54,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:54,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:54,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:54,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 184 states and 331 transitions. [2022-12-15 00:14:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 331 transitions. [2022-12-15 00:14:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:14:55,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:55,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:55,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:14:55,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:14:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:14:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 193 states and 351 transitions. [2022-12-15 00:14:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 351 transitions. [2022-12-15 00:14:58,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:14:58,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:14:58,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:14:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:14:58,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:14:58,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:14:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 201 states and 374 transitions. [2022-12-15 00:15:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 374 transitions. [2022-12-15 00:15:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:15:05,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:05,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:05,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:05,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 202 states and 375 transitions. [2022-12-15 00:15:06,078 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 375 transitions. [2022-12-15 00:15:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:15:06,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:06,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:06,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 203 states and 378 transitions. [2022-12-15 00:15:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 378 transitions. [2022-12-15 00:15:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:15:07,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:07,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:07,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:07,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:07,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 204 states and 379 transitions. [2022-12-15 00:15:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 379 transitions. [2022-12-15 00:15:07,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 00:15:07,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:07,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:07,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:07,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:07,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:08,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 205 states and 381 transitions. [2022-12-15 00:15:08,024 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 381 transitions. [2022-12-15 00:15:08,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:15:08,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:08,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 00:15:08,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:10,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 214 states and 393 transitions. [2022-12-15 00:15:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 393 transitions. [2022-12-15 00:15:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:15:10,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:10,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:10,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:10,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:10,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:23,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:23,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 222 states and 415 transitions. [2022-12-15 00:15:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 415 transitions. [2022-12-15 00:15:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:15:23,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:23,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:23,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:23,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:23,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:27,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 225 states and 418 transitions. [2022-12-15 00:15:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 418 transitions. [2022-12-15 00:15:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:15:27,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:27,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:27,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:27,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:27,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:29,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 226 states and 418 transitions. [2022-12-15 00:15:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 418 transitions. [2022-12-15 00:15:29,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:15:29,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:29,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:29,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 236 states and 443 transitions. [2022-12-15 00:15:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 443 transitions. [2022-12-15 00:15:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:15:41,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:41,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:41,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:41,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:41,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 238 states and 444 transitions. [2022-12-15 00:15:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 444 transitions. [2022-12-15 00:15:43,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:15:43,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:43,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:43,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-15 00:15:43,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:15:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 239 states and 446 transitions. [2022-12-15 00:15:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 446 transitions. [2022-12-15 00:15:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:15:44,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:44,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:15:44,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 00:15:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 00:15:44,553 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 36 iterations. [2022-12-15 00:15:44,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:15:44 ImpRootNode [2022-12-15 00:15:44,574 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:15:44,574 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:15:44,574 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:15:44,574 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:15:44,575 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:14:29" (3/4) ... [2022-12-15 00:15:44,576 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 00:15:44,606 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:15:44,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:15:44,607 INFO L158 Benchmark]: Toolchain (without parser) took 75967.18ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 96.5MB in the beginning and 45.8MB in the end (delta: 50.7MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2022-12-15 00:15:44,607 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:15:44,608 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.21ms. Allocated memory is still 127.9MB. Free memory was 96.1MB in the beginning and 86.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:15:44,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.54ms. Allocated memory is still 127.9MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:15:44,609 INFO L158 Benchmark]: Boogie Preprocessor took 15.21ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:15:44,609 INFO L158 Benchmark]: RCFGBuilder took 271.96ms. Allocated memory is still 127.9MB. Free memory was 84.0MB in the beginning and 71.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 00:15:44,610 INFO L158 Benchmark]: CodeCheck took 75435.09ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 71.4MB in the beginning and 47.9MB in the end (delta: 23.5MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2022-12-15 00:15:44,610 INFO L158 Benchmark]: Witness Printer took 32.12ms. Allocated memory is still 155.2MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:15:44,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 46 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 75.4s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8852 SdHoareTripleChecker+Valid, 25.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8359 mSDsluCounter, 4019 SdHoareTripleChecker+Invalid, 23.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3292 mSDsCounter, 2054 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22331 IncrementalHoareTripleChecker+Invalid, 24385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2054 mSolverCounterUnsat, 727 mSDtfsCounter, 22331 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6004 GetRequests, 5316 SyntacticMatches, 74 SemanticMatches, 614 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213050 ImplicationChecksByTransitivity, 71.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 553 ConstructedInterpolants, 0 QuantifiedInterpolants, 2652 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1636 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 PerfectInterpolantSequences, 67/67 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 52]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y; [L20] int a, b, p, q, r, s, c, k; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L25] COND FALSE !(x<1) VAL [x=1, y=2147483647] [L28] COND FALSE !(y < 1) [L33] a = x [L34] b = y [L35] p = 1 [L36] q = 0 [L37] r = 0 [L38] s = 1 [L39] c = 0 [L40] k = 0 VAL [a=1, b=2147483647, c=0, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L41] COND TRUE 1 VAL [a=1, b=2147483647, c=0, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L42] COND FALSE !(!(b != 0)) [L44] c = a [L45] k = 0 VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r + x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L52] EXPR c - b [L52] c = c - b VAL [a=1, b=2147483647, c=-2147483646, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L53] EXPR k + 1 [L53] k = k + 1 VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r + x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L52] c - b VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 127.9MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.21ms. Allocated memory is still 127.9MB. Free memory was 96.1MB in the beginning and 86.5MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.54ms. Allocated memory is still 127.9MB. Free memory was 86.5MB in the beginning and 85.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.21ms. Allocated memory is still 127.9MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 271.96ms. Allocated memory is still 127.9MB. Free memory was 84.0MB in the beginning and 71.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 75435.09ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 71.4MB in the beginning and 47.9MB in the end (delta: 23.5MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. * Witness Printer took 32.12ms. Allocated memory is still 155.2MB. Free memory was 47.9MB in the beginning and 45.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 00:15:44,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bbaa25a-97bd-4d46-985e-2c36064b04aa/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)