./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/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_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4 --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 b879e9957df47aa9212d1bcb19c90b87b865d954f1a44f3c044747ce0553d2eb --- 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 [2022-12-14 22:36:47,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:36:47,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:36:47,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:36:47,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:36:47,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:36:47,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:36:47,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:36:47,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:36:47,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:36:47,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:36:47,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:36:47,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:36:47,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:36:47,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:36:47,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:36:47,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:36:47,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:36:47,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:36:47,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:36:47,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:36:47,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:36:47,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:36:47,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:36:47,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:36:47,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:36:47,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:36:47,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:36:47,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:36:47,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:36:47,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:36:47,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:36:47,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:36:47,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:36:47,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:36:47,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:36:47,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:36:47,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:36:47,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:36:47,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:36:47,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:36:47,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:36:47,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:36:47,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:36:47,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:36:47,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:36:47,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:36:47,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:36:47,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:36:47,729 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:36:47,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:36:47,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:36:47,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:36:47,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:36:47,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:36:47,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:36:47,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:36:47,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:36:47,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:36:47,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:36:47,730 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:36:47,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:36:47,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:36:47,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:36:47,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:36:47,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:36:47,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:36:47,731 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:36:47,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:36:47,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:36:47,732 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_4ab366ca-4b5b-4cf9-8871-ffc917233655/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879e9957df47aa9212d1bcb19c90b87b865d954f1a44f3c044747ce0553d2eb [2022-12-14 22:36:47,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:36:47,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:36:47,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:36:47,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:36:47,932 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:36:47,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i [2022-12-14 22:36:50,512 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:36:50,631 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:36:50,631 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i [2022-12-14 22:36:50,636 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/data/19e88b039/531a789e78ab41aa89cb09c73a8bf3b6/FLAG8430acd86 [2022-12-14 22:36:50,646 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/data/19e88b039/531a789e78ab41aa89cb09c73a8bf3b6 [2022-12-14 22:36:50,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:36:50,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:36:50,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:36:50,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:36:50,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:36:50,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b96d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50, skipping insertion in model container [2022-12-14 22:36:50,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:36:50,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:36:50,799 WARN L237 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_4ab366ca-4b5b-4cf9-8871-ffc917233655/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i[950,963] [2022-12-14 22:36:50,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:36:50,817 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:36:50,826 WARN L237 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_4ab366ca-4b5b-4cf9-8871-ffc917233655/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i[950,963] [2022-12-14 22:36:50,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:36:50,840 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:36:50,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50 WrapperNode [2022-12-14 22:36:50,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:36:50,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:36:50,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:36:50,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:36:50,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,864 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-12-14 22:36:50,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:36:50,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:36:50,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:36:50,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:36:50,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,873 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:36:50,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:36:50,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:36:50,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:36:50,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:50" (1/1) ... [2022-12-14 22:36:50,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:36:50,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:36:50,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:36:50,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ab366ca-4b5b-4cf9-8871-ffc917233655/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:36:50,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:36:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 22:36:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 22:36:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:36:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:36:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:36:50,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:36:50,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:36:50,998 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:36:51,000 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:36:51,110 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:36:51,133 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:36:51,133 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 22:36:51,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:51 BoogieIcfgContainer [2022-12-14 22:36:51,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:36:51,136 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:36:51,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:36:51,143 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:36:51,144 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:51" (1/1) ... [2022-12-14 22:36:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:36:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:51,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-12-14 22:36:51,188 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-12-14 22:36:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:36:51,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:51,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:51,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 22:36:51,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-14 22:36:51,343 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-14 22:36:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 22:36:51,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:51,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:51,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 22:36:51,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:51,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:51,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2022-12-14 22:36:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-12-14 22:36:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:36:51,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:51,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:51,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 22:36:51,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2022-12-14 22:36:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-12-14 22:36:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 22:36:52,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:52,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:52,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 22:36:52,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:53,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:53,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 56 transitions. [2022-12-14 22:36:53,051 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-12-14 22:36:53,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:36:53,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:53,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:53,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 22:36:53,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:53,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 61 transitions. [2022-12-14 22:36:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-12-14 22:36:53,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:36:53,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:53,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:53,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 22:36:53,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:36:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 76 transitions. [2022-12-14 22:36:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2022-12-14 22:36:53,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:36:53,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:53,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:53,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 22:36:53,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:54,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 84 transitions. [2022-12-14 22:36:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2022-12-14 22:36:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:36:54,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:54,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:54,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:36:54,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:54,995 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:36:55,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 87 transitions. [2022-12-14 22:36:55,650 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2022-12-14 22:36:55,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 22:36:55,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:55,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:55,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 22:36:55,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:56,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 93 transitions. [2022-12-14 22:36:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2022-12-14 22:36:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:36:56,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:56,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:56,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:36:56,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 55 states and 100 transitions. [2022-12-14 22:36:57,369 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 100 transitions. [2022-12-14 22:36:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 22:36:57,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:57,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:57,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 22:36:57,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:36:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 108 transitions. [2022-12-14 22:36:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions. [2022-12-14 22:36:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:36:57,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:57,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 22:36:57,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:36:57,869 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 22:36:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:36:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 109 transitions. [2022-12-14 22:36:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 109 transitions. [2022-12-14 22:36:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:36:58,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:36:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:36:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:36:58,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 22:36:58,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:37:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:04,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 127 transitions. [2022-12-14 22:37:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2022-12-14 22:37:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 22:37:04,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:04,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:04,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 22:37:04,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 22:37:06,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 128 transitions. [2022-12-14 22:37:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 128 transitions. [2022-12-14 22:37:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:37:06,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:06,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:06,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 22:37:06,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:37:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:08,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 152 transitions. [2022-12-14 22:37:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 152 transitions. [2022-12-14 22:37:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:37:08,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:08,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 22:37:08,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:37:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:11,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 76 states and 168 transitions. [2022-12-14 22:37:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2022-12-14 22:37:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:37:11,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:11,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:11,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 22:37:11,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:11,101 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:37:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 77 states and 172 transitions. [2022-12-14 22:37:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 172 transitions. [2022-12-14 22:37:11,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:37:11,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:11,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:11,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 22:37:11,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:37:12,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:12,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 77 states and 170 transitions. [2022-12-14 22:37:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 170 transitions. [2022-12-14 22:37:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:37:12,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:12,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:12,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 22:37:12,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:15,680 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:37:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:37:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 82 states and 196 transitions. [2022-12-14 22:37:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 196 transitions. [2022-12-14 22:37:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:37:32,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:32,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 22:37:32,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:32,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 22:37:35,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:37:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 85 states and 209 transitions. [2022-12-14 22:37:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 209 transitions. [2022-12-14 22:37:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:37:35,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:37:35,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:37:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:37:35,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 22:37:35,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:37:42,483 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:37:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:38:18,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:38:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 93 states and 248 transitions. [2022-12-14 22:38:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 248 transitions. [2022-12-14 22:38:18,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:38:18,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:38:18,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:38:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:38:18,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 22:38:18,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:38:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 22:38:34,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:38:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 97 states and 267 transitions. [2022-12-14 22:38:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 267 transitions. [2022-12-14 22:38:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 22:38:34,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:38:34,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:38:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:38:34,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 22:38:34,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:38:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 22:38:39,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:38:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 99 states and 268 transitions. [2022-12-14 22:38:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 268 transitions. [2022-12-14 22:38:39,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:38:39,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:38:39,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:38:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:38:39,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 22:38:39,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:38:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:39:09,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 22:39:11,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 107 states and 301 transitions. [2022-12-14 22:39:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 301 transitions. [2022-12-14 22:39:11,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:39:11,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:11,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:11,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 22:39:11,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:39:24,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:24,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 110 states and 308 transitions. [2022-12-14 22:39:24,558 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 308 transitions. [2022-12-14 22:39:24,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:39:24,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:24,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:24,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 22:39:24,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:39:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:28,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 110 states and 306 transitions. [2022-12-14 22:39:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 306 transitions. [2022-12-14 22:39:28,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:39:28,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:28,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:28,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 22:39:28,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:39:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 113 states and 318 transitions. [2022-12-14 22:39:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 318 transitions. [2022-12-14 22:39:42,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:39:42,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:42,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:42,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:39:42,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:39:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 116 states and 345 transitions. [2022-12-14 22:39:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 345 transitions. [2022-12-14 22:39:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:39:49,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:49,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:39:49,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:49,978 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:39:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 116 states and 344 transitions. [2022-12-14 22:39:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 344 transitions. [2022-12-14 22:39:55,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 22:39:55,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:55,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 22:39:55,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:39:55,333 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:39:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:39:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 117 states and 349 transitions. [2022-12-14 22:39:56,357 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 349 transitions. [2022-12-14 22:39:56,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:39:56,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:39:56,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:39:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:39:56,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 22:39:56,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:40:02,039 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:40:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:40:23,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 120 states and 374 transitions. [2022-12-14 22:40:23,391 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 374 transitions. [2022-12-14 22:40:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 22:40:23,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:23,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:23,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 22:40:23,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:40:23,740 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-14 22:40:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 122 states and 375 transitions. [2022-12-14 22:40:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 375 transitions. [2022-12-14 22:40:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:40:29,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:29,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:29,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 22:40:29,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:40:42,028 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:41:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:41:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 127 states and 398 transitions. [2022-12-14 22:41:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 398 transitions. [2022-12-14 22:41:29,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:41:29,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:41:29,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:41:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:41:29,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 22:41:29,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:41:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 22:41:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:41:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 127 states and 396 transitions. [2022-12-14 22:41:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 396 transitions. [2022-12-14 22:41:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:41:43,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:41:43,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:41:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:41:43,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 22:41:43,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:41:59,457 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:42:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:43:03,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:43:03,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 130 states and 415 transitions. [2022-12-14 22:43:03,562 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 415 transitions. [2022-12-14 22:43:03,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:43:03,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:43:03,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:43:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:43:04,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 22:43:04,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:43:05,207 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:43:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:44:45,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:44:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 133 states and 429 transitions. [2022-12-14 22:44:45,143 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 429 transitions. [2022-12-14 22:44:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:44:45,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:44:45,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:44:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:44:45,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 22:44:45,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:44:49,818 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:44:50,185 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:45:00,065 WARN L233 SmtUtils]: Spent 9.70s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 22:45:07,349 WARN L233 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 22:45:21,651 WARN L233 SmtUtils]: Spent 10.26s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 22:49:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:50:51,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:50:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 133 states and 424 transitions. [2022-12-14 22:50:51,396 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 424 transitions. [2022-12-14 22:50:51,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 22:50:51,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:50:51,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:50:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:50:51,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 22:50:51,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:50:59,876 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:51:30,649 INFO L208 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2022-12-14 22:51:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.