./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/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_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/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_0668339b-78c3-43fe-89eb-c56b38c6ef53/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 a0940bfd96a0950756bd3792baab28449f2ca3b13416ea5e5123f1c4a993fcef --- 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 23:37:54,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:37:54,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:37:54,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:37:54,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:37:54,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:37:54,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:37:54,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:37:54,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:37:54,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:37:54,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:37:54,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:37:54,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:37:54,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:37:54,477 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:37:54,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:37:54,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:37:54,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:37:54,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:37:54,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:37:54,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:37:54,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:37:54,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:37:54,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:37:54,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:37:54,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:37:54,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:37:54,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:37:54,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:37:54,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:37:54,496 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:37:54,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:37:54,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:37:54,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:37:54,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:37:54,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:37:54,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:37:54,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:37:54,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:37:54,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:37:54,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:37:54,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:37:54,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:37:54,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:37:54,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:37:54,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:37:54,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:37:54,514 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:37:54,514 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:37:54,514 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:37:54,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:37:54,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:37:54,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:37:54,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:37:54,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:37:54,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:37:54,521 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:37:54,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:37:54,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:37:54,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:37:54,521 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:37:54,521 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:37:54,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:37:54,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:37:54,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:37:54,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:37:54,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:37:54,523 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:37:54,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:37:54,523 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:37:54,523 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_0668339b-78c3-43fe-89eb-c56b38c6ef53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0940bfd96a0950756bd3792baab28449f2ca3b13416ea5e5123f1c4a993fcef [2022-12-14 23:37:54,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:37:54,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:37:54,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:37:54,718 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:37:54,718 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:37:54,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c [2022-12-14 23:37:57,328 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:37:57,480 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:37:57,480 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c [2022-12-14 23:37:57,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/data/c7f6ef633/86dd18e7a22e45708c1a38f037c77fc5/FLAGd936f5f0b [2022-12-14 23:37:57,495 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/data/c7f6ef633/86dd18e7a22e45708c1a38f037c77fc5 [2022-12-14 23:37:57,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:37:57,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:37:57,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:37:57,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:37:57,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:37:57,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d348f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57, skipping insertion in model container [2022-12-14 23:37:57,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:37:57,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:37:57,650 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_0668339b-78c3-43fe-89eb-c56b38c6ef53/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c[525,538] [2022-12-14 23:37:57,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:37:57,673 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:37:57,684 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_0668339b-78c3-43fe-89eb-c56b38c6ef53/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound50.c[525,538] [2022-12-14 23:37:57,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:37:57,701 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:37:57,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57 WrapperNode [2022-12-14 23:37:57,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:37:57,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:37:57,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:37:57,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:37:57,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,732 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-12-14 23:37:57,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:37:57,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:37:57,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:37:57,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:37:57,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,743 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,749 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:37:57,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:37:57,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:37:57,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:37:57,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:37:57,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:37:57,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:37:57,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0668339b-78c3-43fe-89eb-c56b38c6ef53/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:37:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:37:57,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:37:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:37:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:37:57,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 23:37:57,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 23:37:57,880 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:37:57,882 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:37:57,966 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:37:57,977 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:37:57,978 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:37:57,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:57 BoogieIcfgContainer [2022-12-14 23:37:57,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:37:57,980 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:37:57,980 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:37:57,987 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:37:57,988 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:57" (1/1) ... [2022-12-14 23:37:57,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:37:58,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-12-14 23:37:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-12-14 23:37:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:37:58,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:58,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:58,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 23:37:58,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:37:58,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:37:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-14 23:37:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-14 23:37:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:37:58,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:58,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:58,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 23:37:58,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:37:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:37:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-12-14 23:37:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-14 23:37:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 23:37:58,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:58,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:58,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 23:37:58,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:37:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:37:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-12-14 23:37:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-12-14 23:37:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 23:37:58,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:58,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:58,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:37:58,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:37:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:37:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-12-14 23:37:58,849 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-12-14 23:37:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:37:58,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:58,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:58,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 23:37:58,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:37:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:37:59,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2022-12-14 23:37:59,408 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2022-12-14 23:37:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:37:59,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:59,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:59,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 23:37:59,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:37:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2022-12-14 23:38:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2022-12-14 23:38:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 23:38:00,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:00,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:38:00,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:38:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:28,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:38:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2022-12-14 23:38:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2022-12-14 23:38:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:38:28,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:28,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:28,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:38:28,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:38:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:38:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:43,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2022-12-14 23:38:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2022-12-14 23:38:43,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:38:43,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:43,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:43,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 23:38:43,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:38:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:53,913 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 [0] [2022-12-14 23:38:54,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 50 states and 108 transitions. [2022-12-14 23:38:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 108 transitions. [2022-12-14 23:38:54,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:38:54,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:54,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:54,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:38:54,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:38:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 23:38:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:57,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 113 transitions. [2022-12-14 23:38:57,247 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 113 transitions. [2022-12-14 23:38:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:38:57,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:57,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:57,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 23:38:57,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:38:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:40:01,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:40:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 117 transitions. [2022-12-14 23:40:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 117 transitions. [2022-12-14 23:40:01,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 23:40:01,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:40:01,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:40:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:40:01,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 23:40:01,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:40:01,559 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:40:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:40:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 55 states and 119 transitions. [2022-12-14 23:40:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 119 transitions. [2022-12-14 23:40:01,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:40:01,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:40:01,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:40:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:40:01,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 23:40:01,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:40:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:40:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:40:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2022-12-14 23:40:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2022-12-14 23:40:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:40:04,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:40:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:40:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:40:04,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:40:04,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:40:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 23:40:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:40:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 65 states and 156 transitions. [2022-12-14 23:40:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2022-12-14 23:40:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:40:34,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:40:34,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:40:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:40:34,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 23:40:34,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:40:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:41:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:41:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 159 transitions. [2022-12-14 23:41:58,354 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 159 transitions. [2022-12-14 23:41:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 23:41:58,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:41:58,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:41:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:41:58,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 23:41:58,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:41:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:41:58,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:41:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 161 transitions. [2022-12-14 23:41:58,645 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 161 transitions. [2022-12-14 23:41:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:41:58,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:41:58,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:41:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:41:58,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:41:58,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:41:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:42:10,303 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 [0] [2022-12-14 23:42:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 76 states and 196 transitions. [2022-12-14 23:42:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 196 transitions. [2022-12-14 23:42:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:42:10,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:10,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:10,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:42:10,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 23:42:57,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:42:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2022-12-14 23:42:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2022-12-14 23:42:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:42:57,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:42:57,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:42:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:42:57,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:42:57,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:42:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:44:17,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:17,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 80 states and 206 transitions. [2022-12-14 23:44:17,616 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 206 transitions. [2022-12-14 23:44:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 23:44:17,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:17,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:17,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 23:44:17,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:44:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:44:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:18,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 81 states and 208 transitions. [2022-12-14 23:44:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 208 transitions. [2022-12-14 23:44:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:44:18,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:18,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:18,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 23:44:18,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:44:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:44:29,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:44:40,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:44:40,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:44:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 89 states and 247 transitions. [2022-12-14 23:44:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 247 transitions. [2022-12-14 23:44:40,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:44:40,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:44:40,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:44:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:44:40,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:44:40,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:44:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-14 23:46:00,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:46:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 91 states and 255 transitions. [2022-12-14 23:46:00,444 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 255 transitions. [2022-12-14 23:46:00,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:46:00,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:46:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:46:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:46:00,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 23:46:00,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:46:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:50,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:48:00,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:48:00,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 93 states and 258 transitions. [2022-12-14 23:48:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 258 transitions. [2022-12-14 23:48:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 23:48:00,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:00,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:00,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 23:48:00,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:48:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 94 states and 260 transitions. [2022-12-14 23:48:01,102 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2022-12-14 23:48:01,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 23:48:01,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:01,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:01,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:48:01,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:48:01,341 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:48:12,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:48:13,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:48:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 102 states and 303 transitions. [2022-12-14 23:48:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 303 transitions. [2022-12-14 23:48:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 23:48:13,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:48:13,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:48:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:48:13,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:48:13,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:48:20,434 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 23:49:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:49:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 104 states and 312 transitions. [2022-12-14 23:49:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 312 transitions. [2022-12-14 23:49:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 23:49:36,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:49:36,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:49:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:49:36,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:49:36,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:49:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:51:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 106 states and 315 transitions. [2022-12-14 23:51:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 315 transitions. [2022-12-14 23:51:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 23:51:32,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:32,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:51:32,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 23:51:32,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:51:32,284 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:51:33,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:51:33,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 107 states and 317 transitions. [2022-12-14 23:51:33,056 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 317 transitions. [2022-12-14 23:51:33,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 23:51:33,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:51:33,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:51:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:51:33,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 23:51:33,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 23:51:33,346 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:51:45,110 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 [0] [2022-12-14 23:51:55,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-14 23:52:05,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]