./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c --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_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/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_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/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_0640de48-89e1-412e-88f8-e3404c396f0d/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 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 --- 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 21:03:58,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:03:58,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:03:58,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:03:58,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:03:58,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:03:58,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:03:58,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:03:58,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:03:58,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:03:58,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:03:58,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:03:58,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:03:58,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:03:58,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:03:58,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:03:58,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:03:58,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:03:58,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:03:58,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:03:58,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:03:58,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:03:58,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:03:58,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:03:58,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:03:58,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:03:58,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:03:58,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:03:58,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:03:58,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:03:58,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:03:58,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:03:58,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:03:58,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:03:58,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:03:58,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:03:58,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:03:58,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:03:58,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:03:58,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:03:58,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:03:58,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:03:58,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:03:58,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:03:58,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:03:58,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:03:58,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:03:58,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:03:58,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:03:58,466 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:03:58,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:03:58,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:03:58,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:03:58,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:03:58,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:03:58,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:03:58,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:03:58,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:03:58,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:03:58,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:03:58,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:03:58,469 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:03:58,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:03:58,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:03:58,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:03:58,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:03:58,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:03:58,470 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:03:58,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:03:58,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:03:58,470 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_0640de48-89e1-412e-88f8-e3404c396f0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bba06987e8c2f8236800dde4bec4c9d50f427f841de99efa853660259681b37 [2022-12-14 21:03:58,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:03:58,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:03:58,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:03:58,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:03:58,684 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:03:58,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2022-12-14 21:04:01,281 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:04:01,442 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:04:01,443 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c [2022-12-14 21:04:01,448 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/data/f15953496/d77604b47b3b43e79f5283dc52aee3ea/FLAG67d0d7753 [2022-12-14 21:04:01,851 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/data/f15953496/d77604b47b3b43e79f5283dc52aee3ea [2022-12-14 21:04:01,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:04:01,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:04:01,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:04:01,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:04:01,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:04:01,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:04:01" (1/1) ... [2022-12-14 21:04:01,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7361ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:01, skipping insertion in model container [2022-12-14 21:04:01,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:04:01" (1/1) ... [2022-12-14 21:04:01,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:04:01,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:04:01,978 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_0640de48-89e1-412e-88f8-e3404c396f0d/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2022-12-14 21:04:01,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:04:02,003 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:04:02,011 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_0640de48-89e1-412e-88f8-e3404c396f0d/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound100.c[525,538] [2022-12-14 21:04:02,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:04:02,030 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:04:02,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02 WrapperNode [2022-12-14 21:04:02,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:04:02,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:04:02,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:04:02,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:04:02,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,055 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-12-14 21:04:02,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:04:02,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:04:02,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:04:02,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:04:02,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,069 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:04:02,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:04:02,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:04:02,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:04:02,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:04:02,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:04:02,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:04:02,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0640de48-89e1-412e-88f8-e3404c396f0d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:04:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:04:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 21:04:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 21:04:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:04:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:04:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:04:02,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 21:04:02,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 21:04:02,188 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:04:02,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:04:02,346 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:04:02,370 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:04:02,370 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 21:04:02,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:04:02 BoogieIcfgContainer [2022-12-14 21:04:02,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:04:02,373 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:04:02,373 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:04:02,381 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:04:02,381 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:04:02" (1/1) ... [2022-12-14 21:04:02,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:04:02,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:02,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-14 21:04:02,430 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-14 21:04:02,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:04:02,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:02,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:02,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 21:04:02,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:02,601 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 21:04:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-14 21:04:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-14 21:04:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:04:02,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:02,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:02,970 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 21:04:13,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:04:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-12-14 21:04:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-14 21:04:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:04:13,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:13,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:13,490 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 21:04:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2022-12-14 21:04:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2022-12-14 21:04:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:04:13,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:13,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 21:04:13,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:13,999 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 21:04:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-12-14 21:04:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-12-14 21:04:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:04:14,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:14,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:14,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 21:04:14,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:04:16,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:04:16,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:16,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2022-12-14 21:04:16,957 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-12-14 21:04:16,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:04:16,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:16,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:16,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 21:04:16,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:04:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2022-12-14 21:04:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2022-12-14 21:04:21,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 21:04:21,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:21,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:21,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 21:04:21,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:21,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:04:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:23,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2022-12-14 21:04:23,240 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-12-14 21:04:23,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:04:23,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:23,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:23,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:04:23,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:04:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 55 states and 96 transitions. [2022-12-14 21:04:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 96 transitions. [2022-12-14 21:04:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:04:27,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:27,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:27,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 21:04:27,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:04:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:04:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2022-12-14 21:04:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2022-12-14 21:04:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:04:30,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:04:30,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:04:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:04:30,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:04:30,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:04:36,296 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:04:54,309 WARN L233 SmtUtils]: Spent 11.36s on a formula simplification. DAG size of input: 23 DAG size of output: 23 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 21:04:59,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:05:11,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:05:14,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:05:14,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:05:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 112 transitions. [2022-12-14 21:05:14,527 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2022-12-14 21:05:14,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:05:14,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:05:14,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:05:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:05:14,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 21:05:14,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:05:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:05:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:05:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 65 states and 116 transitions. [2022-12-14 21:05:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 116 transitions. [2022-12-14 21:05:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:05:19,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:05:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:05:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:05:19,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 21:05:19,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:05:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:05:34,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:05:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:05:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 70 states and 126 transitions. [2022-12-14 21:05:35,072 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 126 transitions. [2022-12-14 21:05:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:05:35,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:05:35,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:05:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:05:35,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:05:35,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:05:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 21:06:14,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:06:24,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:06:28,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:06:33,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:06:33,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:06:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 72 states and 132 transitions. [2022-12-14 21:06:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 132 transitions. [2022-12-14 21:06:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 21:06:33,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:06:33,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:06:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:06:33,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 21:06:33,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:06:40,787 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:06:47,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:06:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 75 states and 136 transitions. [2022-12-14 21:06:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 136 transitions. [2022-12-14 21:06:47,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:06:47,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:06:47,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:06:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:06:47,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 21:06:47,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:06:53,024 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:06:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:06:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 73 states and 132 transitions. [2022-12-14 21:06:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2022-12-14 21:06:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 21:06:54,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:06:54,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:06:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:06:54,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:06:54,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:07:05,441 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 21:09:03,359 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-14 21:09:42,558 WARN L233 SmtUtils]: Spent 13.27s on a formula simplification. DAG size of input: 24 DAG size of output: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 21:10:11,223 WARN L233 SmtUtils]: Spent 21.70s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 21:11:23,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:11:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:11:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 75 states and 138 transitions. [2022-12-14 21:11:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2022-12-14 21:11:23,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 21:11:23,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:11:23,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:11:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:11:23,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 21:11:23,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:11:47,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:12:03,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:12:03,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 78 states and 142 transitions. [2022-12-14 21:12:03,074 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 142 transitions. [2022-12-14 21:12:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 21:12:03,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:12:03,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:12:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:12:03,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 21:12:03,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:12:16,138 WARN L233 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 21:12:26,146 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-12-14 21:14:59,639 WARN L233 SmtUtils]: Spent 20.04s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 21:14:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 21:16:16,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 21:17:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 79 states and 143 transitions. [2022-12-14 21:17:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 143 transitions. [2022-12-14 21:17:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 21:17:43,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:43,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:43,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 21:17:43,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:18:05,448 WARN L233 SmtUtils]: Spent 10.77s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)