./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.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_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/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_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/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_31edb4fc-dd58-4535-a36f-1a9fdd659787/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 7ab48dd793c80bfdca8b2cb012b1dd7cd8eda625223788e3f60486b3a2e166d4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 03:16:21,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:16:21,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:16:21,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:16:21,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:16:21,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:16:21,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:16:21,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:16:21,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:16:21,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:16:21,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:16:21,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:16:21,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:16:21,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:16:21,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:16:21,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:16:21,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:16:21,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:16:21,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:16:21,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:16:21,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:16:21,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:16:21,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:16:21,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:16:21,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:16:21,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:16:21,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:16:21,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:16:21,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:16:21,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:16:21,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:16:21,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:16:21,912 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:16:21,913 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:16:21,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:16:21,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:16:21,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:16:21,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:16:21,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:16:21,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:16:21,916 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:16:21,917 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:16:21,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:16:21,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:16:21,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:16:21,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:16:21,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:16:21,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:16:21,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:16:21,934 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:16:21,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:16:21,934 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:16:21,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:16:21,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:16:21,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:16:21,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:16:21,935 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:16:21,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:16:21,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:16:21,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:16:21,936 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:16:21,936 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:16:21,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:16:21,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:16:21,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:16:21,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:16:21,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:16:21,937 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:16:21,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:16:21,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:16:21,938 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_31edb4fc-dd58-4535-a36f-1a9fdd659787/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ab48dd793c80bfdca8b2cb012b1dd7cd8eda625223788e3f60486b3a2e166d4 [2022-12-15 03:16:22,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:16:22,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:16:22,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:16:22,122 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:16:22,123 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:16:22,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2022-12-15 03:16:24,649 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:16:24,816 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:16:24,817 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c [2022-12-15 03:16:24,823 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/data/a806f192e/c29a98634cab41ef9bce4b8df4b473b3/FLAG02c531586 [2022-12-15 03:16:25,221 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/data/a806f192e/c29a98634cab41ef9bce4b8df4b473b3 [2022-12-15 03:16:25,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:16:25,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:16:25,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:16:25,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:16:25,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:16:25,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28723b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25, skipping insertion in model container [2022-12-15 03:16:25,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:16:25,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:16:25,340 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_31edb4fc-dd58-4535-a36f-1a9fdd659787/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2022-12-15 03:16:25,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:16:25,365 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:16:25,373 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_31edb4fc-dd58-4535-a36f-1a9fdd659787/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_valuebound50.c[525,538] [2022-12-15 03:16:25,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:16:25,392 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:16:25,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25 WrapperNode [2022-12-15 03:16:25,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:16:25,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:16:25,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:16:25,393 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:16:25,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,404 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,416 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-12-15 03:16:25,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:16:25,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:16:25,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:16:25,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:16:25,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:16:25,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:16:25,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:16:25,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:16:25,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:16:25,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:16:25,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:16:25,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31edb4fc-dd58-4535-a36f-1a9fdd659787/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:16:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:16:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 03:16:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 03:16:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:16:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:16:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:16:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 03:16:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 03:16:25,539 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:16:25,540 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:16:25,722 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:16:25,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:16:25,747 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 03:16:25,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:25 BoogieIcfgContainer [2022-12-15 03:16:25,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:16:25,749 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:16:25,749 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:16:25,757 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:16:25,757 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:16:25" (1/1) ... [2022-12-15 03:16:25,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:16:25,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-12-15 03:16:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-12-15 03:16:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:16:25,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:25,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:25,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 03:16:25,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:16:25,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:25,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-12-15 03:16:25,954 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-12-15 03:16:25,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:16:25,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:26,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:16:36,428 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 [] [2022-12-15 03:16:36,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:36,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-12-15 03:16:36,517 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-15 03:16:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:16:36,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:36,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:16:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2022-12-15 03:16:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2022-12-15 03:16:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:16:37,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:37,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:37,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:16:37,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:37,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:16:47,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 03:16:47,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:47,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2022-12-15 03:16:47,869 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2022-12-15 03:16:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 03:16:47,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:47,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:47,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-15 03:16:47,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:16:48,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2022-12-15 03:16:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-12-15 03:16:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:16:48,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:48,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:48,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-15 03:16:48,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:16:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2022-12-15 03:16:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2022-12-15 03:16:52,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 03:16:52,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:52,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:52,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-15 03:16:52,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:16:54,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:16:54,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2022-12-15 03:16:54,534 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-12-15 03:16:54,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 03:16:54,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:16:54,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:16:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:16:54,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 03:16:54,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:16:58,271 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:17:14,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 15.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:17:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 55 states and 96 transitions. [2022-12-15 03:17:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 96 transitions. [2022-12-15 03:17:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-15 03:17:24,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:24,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:24,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-15 03:17:24,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:17:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:17:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2022-12-15 03:17:31,485 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2022-12-15 03:17:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 03:17:31,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:17:31,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:17:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:17:31,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 03:17:31,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:17:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:17:54,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:18:04,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:18:13,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:18:23,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:18:23,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:18:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 112 transitions. [2022-12-15 03:18:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2022-12-15 03:18:23,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-15 03:18:23,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:18:23,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:18:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:18:23,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:18:23,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:18:28,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:18:31,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:18:31,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 65 states and 116 transitions. [2022-12-15 03:18:31,906 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 116 transitions. [2022-12-15 03:18:31,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 03:18:31,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:18:31,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:18:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:18:31,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-15 03:18:31,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:18:34,792 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:18:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:18:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 63 states and 112 transitions. [2022-12-15 03:18:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2022-12-15 03:18:35,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 03:18:35,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:18:35,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:18:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:18:35,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 03:18:35,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:18:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 03:19:09,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:19:14,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:19:24,550 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 [] [2022-12-15 03:19:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:19:24,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 118 transitions. [2022-12-15 03:19:24,554 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 118 transitions. [2022-12-15 03:19:24,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 03:19:24,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:19:24,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:19:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:19:24,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-15 03:19:24,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:19:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 03:19:59,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:19:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 122 transitions. [2022-12-15 03:19:59,648 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 122 transitions. [2022-12-15 03:19:59,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 03:19:59,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:19:59,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:19:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:19:59,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 03:19:59,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:21:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-15 03:21:40,032 WARN L233 SmtUtils]: Spent 14.26s 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) [2022-12-15 03:21:45,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 03:22:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:22:34,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 70 states and 128 transitions. [2022-12-15 03:22:34,209 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 128 transitions. [2022-12-15 03:22:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 03:22:34,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:22:34,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:22:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:22:34,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-15 03:22:34,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:24:42,463 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-12-15 03:25:27,260 WARN L233 SmtUtils]: Spent 22.89s on a formula simplification. DAG size of input: 23 DAG size of output: 21 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:27:32,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:27:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 130 transitions. [2022-12-15 03:27:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 130 transitions. [2022-12-15 03:27:32,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 03:27:32,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:27:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:27:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:27:32,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-15 03:27:32,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 03:29:22,725 WARN L233 SmtUtils]: Spent 10.10s 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) [2022-12-15 03:29:22,780 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-15 03:30:35,249 WARN L233 SmtUtils]: Spent 20.19s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 03:30:45,259 WARN L837 $PredicateComparison]: unable to prove that (and (not (= (mod (+ (* |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~p~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1|)) 4294967296) (mod (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~q~0#1|) 4294967296))) (<= |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~r~0#1|) (= |c_ULTIMATE.start_main_~p~0#1| 0) (<= 1 |c_ULTIMATE.start_main_~q~0#1|) (= |c_ULTIMATE.start_main_~h~0#1| 0) (= (mod (+ (* |c_ULTIMATE.start_main_~n~0#1| 4294967288 |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| 4294967292 |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~h~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~h~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| |c_ULTIMATE.start_main_~n~0#1| 4 |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~n~0#1| 4294967295 |c_ULTIMATE.start_main_~q~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~q~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~p~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~r~0#1| 4) (* 4294967295 |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~h~0#1| |c_ULTIMATE.start_main_~r~0#1|) (* |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~r~0#1| 4 |c_ULTIMATE.start_main_~q~0#1|)) 4294967296) 0)) is different from false [2022-12-15 03:31:34,959 WARN L233 SmtUtils]: Spent 22.72s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)