./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/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_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/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_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/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 aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 --- 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 03:01:47,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:01:47,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:01:47,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:01:47,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:01:47,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:01:47,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:01:47,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:01:47,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:01:47,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:01:47,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:01:47,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:01:47,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:01:47,029 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:01:47,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:01:47,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:01:47,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:01:47,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:01:47,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:01:47,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:01:47,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:01:47,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:01:47,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:01:47,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:01:47,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:01:47,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:01:47,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:01:47,045 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:01:47,046 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:01:47,046 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:01:47,046 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:01:47,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:01:47,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:01:47,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:01:47,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:01:47,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:01:47,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:01:47,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:01:47,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:01:47,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:01:47,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:01:47,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:01:47,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:01:47,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:01:47,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:01:47,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:01:47,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:01:47,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:01:47,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:01:47,065 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:01:47,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:01:47,066 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:01:47,066 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:01:47,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:01:47,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:01:47,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:01:47,066 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:01:47,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:01:47,066 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:01:47,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:01:47,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:01:47,067 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_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aca8f035d06c0b5071d069d3e7dfc8602e7f38b097f4966dbc919eb2aff21501 [2022-12-15 03:01:47,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:01:47,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:01:47,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:01:47,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:01:47,275 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:01:47,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2022-12-15 03:01:49,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:01:50,053 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:01:50,054 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i [2022-12-15 03:01:50,059 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/data/9c1e91718/6b18465672794825b24e538e7d952e82/FLAG306755cc1 [2022-12-15 03:01:50,074 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/data/9c1e91718/6b18465672794825b24e538e7d952e82 [2022-12-15 03:01:50,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:01:50,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:01:50,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:01:50,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:01:50,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:01:50,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a975c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50, skipping insertion in model container [2022-12-15 03:01:50,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:01:50,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:01:50,248 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_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2022-12-15 03:01:50,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:01:50,271 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:01:50,283 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_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound100.i[950,963] [2022-12-15 03:01:50,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:01:50,300 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:01:50,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50 WrapperNode [2022-12-15 03:01:50,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:01:50,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:01:50,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:01:50,302 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:01:50,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,331 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2022-12-15 03:01:50,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:01:50,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:01:50,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:01:50,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:01:50,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,348 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:01:50,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:01:50,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:01:50,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:01:50,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:01:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:01:50,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:01:50,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d6cfb6f-2913-4ee7-849c-2d81e752a76b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:01:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:01:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 03:01:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 03:01:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:01:50,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:01:50,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:01:50,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 03:01:50,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 03:01:50,474 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:01:50,476 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:01:50,588 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:01:50,622 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:01:50,622 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 03:01:50,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:01:50 BoogieIcfgContainer [2022-12-15 03:01:50,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:01:50,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:01:50,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:01:50,635 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:01:50,635 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:01:50" (1/1) ... [2022-12-15 03:01:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:01:50,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-12-15 03:01:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-12-15 03:01:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:01:50,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:50,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:50,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 03:01:50,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-15 03:01:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-15 03:01:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 03:01:50,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:50,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:50,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 03:01:50,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:51,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2022-12-15 03:01:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-12-15 03:01:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:01:51,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:51,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:51,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-15 03:01:51,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:51,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2022-12-15 03:01:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-12-15 03:01:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:01:51,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:51,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:51,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 03:01:51,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 56 transitions. [2022-12-15 03:01:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2022-12-15 03:01:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:01:52,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:52,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:52,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 03:01:52,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 61 transitions. [2022-12-15 03:01:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-12-15 03:01:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:01:52,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:52,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:52,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:01:52,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:53,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:01:54,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:54,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 76 transitions. [2022-12-15 03:01:54,003 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2022-12-15 03:01:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:01:54,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:54,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:54,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:01:54,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:01:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:54,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 45 states and 79 transitions. [2022-12-15 03:01:54,463 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-12-15 03:01:54,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:01:54,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:54,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:54,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:01:54,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 87 transitions. [2022-12-15 03:01:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2022-12-15 03:01:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:01:55,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:55,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:01:55,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:56,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 95 transitions. [2022-12-15 03:01:56,160 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2022-12-15 03:01:56,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:01:56,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:56,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:56,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:01:56,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:56,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 94 transitions. [2022-12-15 03:01:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 94 transitions. [2022-12-15 03:01:56,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:01:56,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:56,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 03:01:56,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 55 states and 101 transitions. [2022-12-15 03:01:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2022-12-15 03:01:57,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:01:57,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:57,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:57,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 03:01:57,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:57,290 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:01:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 109 transitions. [2022-12-15 03:01:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2022-12-15 03:01:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 03:01:57,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:57,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:57,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 03:01:57,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 03:01:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:01:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 63 states and 126 transitions. [2022-12-15 03:01:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 126 transitions. [2022-12-15 03:01:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:01:58,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:01:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:01:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:01:58,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 03:01:58,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:01:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:02:00,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 70 states and 150 transitions. [2022-12-15 03:02:00,292 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 150 transitions. [2022-12-15 03:02:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:02:00,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:00,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:00,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 03:02:00,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:00,438 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:02:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:01,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 73 states and 167 transitions. [2022-12-15 03:02:01,378 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 167 transitions. [2022-12-15 03:02:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:02:01,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:01,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:01,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 03:02:01,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:01,415 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:02:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 74 states and 170 transitions. [2022-12-15 03:02:01,746 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 170 transitions. [2022-12-15 03:02:01,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:02:01,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:01,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:01,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 03:02:01,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:02:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:02,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 75 states and 175 transitions. [2022-12-15 03:02:02,102 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 175 transitions. [2022-12-15 03:02:02,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:02:02,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:02,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:02,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 03:02:02,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:02,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-15 03:02:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 77 states and 176 transitions. [2022-12-15 03:02:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 176 transitions. [2022-12-15 03:02:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:02:02,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:03,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 03:02:03,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-15 03:02:03,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 79 states and 177 transitions. [2022-12-15 03:02:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 177 transitions. [2022-12-15 03:02:03,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:02:03,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:03,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:03,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-15 03:02:03,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-15 03:02:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:04,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 81 states and 178 transitions. [2022-12-15 03:02:04,333 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 178 transitions. [2022-12-15 03:02:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:02:04,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:04,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:04,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 03:02:04,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:02:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 89 states and 207 transitions. [2022-12-15 03:02:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 207 transitions. [2022-12-15 03:02:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:02:17,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:17,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:18,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 03:02:18,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:02:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 03:02:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:02:27,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 95 states and 227 transitions. [2022-12-15 03:02:27,399 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 227 transitions. [2022-12-15 03:02:27,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:02:27,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:02:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:02:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:02:27,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-15 03:02:27,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:03:28,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:03:31,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:03:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 97 states and 232 transitions. [2022-12-15 03:03:31,787 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 232 transitions. [2022-12-15 03:03:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:03:31,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:03:31,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:03:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:03:31,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-15 03:03:31,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:04:46,256 WARN L233 SmtUtils]: Spent 1.19m on a formula simplification. DAG size of input: 15861 DAG size of output: 10569 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)