./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB --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 3f1ddce0da39afb2e81d3f6974a6168ade2d49435b1ce063903c0017c6d40b05 --- 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-dbf71c6-m [2022-10-17 16:31:06,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:31:06,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:31:06,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:31:06,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:31:06,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:31:06,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:31:06,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:31:06,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:31:06,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:31:06,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:31:06,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:31:06,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:31:06,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:31:06,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:31:06,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:31:06,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:31:06,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:31:06,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:31:06,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:31:06,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:31:06,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:31:06,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:31:06,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:31:06,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:31:06,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:31:06,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:31:06,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:31:06,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:31:06,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:31:06,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:31:06,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:31:06,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:31:06,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:31:06,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:31:06,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:31:06,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:31:06,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:31:06,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:31:06,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:31:06,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:31:06,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:31:06,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:31:06,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:31:06,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:31:06,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:31:06,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:31:06,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:31:06,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:31:06,512 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:31:06,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:31:06,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:31:06,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:31:06,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:31:06,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:31:06,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:31:06,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:31:06,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:31:06,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:31:06,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:31:06,515 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:31:06,516 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:31:06,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:31:06,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:06,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:31:06,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:31:06,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:31:06,517 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:31:06,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:31:06,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:31:06,519 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_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f1ddce0da39afb2e81d3f6974a6168ade2d49435b1ce063903c0017c6d40b05 [2022-10-17 16:31:06,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:31:06,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:31:06,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:31:06,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:31:06,883 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:31:06,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i [2022-10-17 16:31:07,000 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/data/7f7806b64/2b6136bc5068407cb106a124f9c0c38a/FLAG6d80d6e5a [2022-10-17 16:31:07,674 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:31:07,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i [2022-10-17 16:31:07,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/data/7f7806b64/2b6136bc5068407cb106a124f9c0c38a/FLAG6d80d6e5a [2022-10-17 16:31:07,885 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/data/7f7806b64/2b6136bc5068407cb106a124f9c0c38a [2022-10-17 16:31:07,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:07,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:07,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:07,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:07,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:07,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b34c6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:07, skipping insertion in model container [2022-10-17 16:31:07,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:07" (1/1) ... [2022-10-17 16:31:07,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:08,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:08,534 WARN L230 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_e8938e26-a098-4252-ab31-3b9df49f6875/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i[33022,33035] [2022-10-17 16:31:08,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:08,822 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:08,873 WARN L230 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_e8938e26-a098-4252-ab31-3b9df49f6875/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test10-2.i[33022,33035] [2022-10-17 16:31:09,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:09,120 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:09,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09 WrapperNode [2022-10-17 16:31:09,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:09,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:09,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:09,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:09,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,325 INFO L138 Inliner]: procedures = 177, calls = 575, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2330 [2022-10-17 16:31:09,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:09,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:09,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:09,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:09,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,521 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:09,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:09,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:09,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:09,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:09" (1/1) ... [2022-10-17 16:31:09,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:09,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:09,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:09,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8938e26-a098-4252-ab31-3b9df49f6875/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure test_int_int [2022-10-17 16:31:09,779 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int_int [2022-10-17 16:31:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:31:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:31:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:31:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:31:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-17 16:31:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-17 16:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:31:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:31:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:09,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:10,214 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:10,217 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:13,597 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:14,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:14,628 INFO L300 CfgBuilder]: Removed 160 assume(true) statements. [2022-10-17 16:31:14,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:14 BoogieIcfgContainer [2022-10-17 16:31:14,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:14,638 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:14,639 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:14,649 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:14,649 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:14" (1/1) ... [2022-10-17 16:31:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:31:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 265 states and 477 transitions. [2022-10-17 16:31:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 477 transitions. [2022-10-17 16:31:14,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:31:14,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:14,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 265 states and 473 transitions. [2022-10-17 16:31:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 473 transitions. [2022-10-17 16:31:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:31:15,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 265 states and 469 transitions. [2022-10-17 16:31:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 469 transitions. [2022-10-17 16:31:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:31:15,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 267 states and 468 transitions. [2022-10-17 16:31:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 468 transitions. [2022-10-17 16:31:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:31:15,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:15,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:15,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 267 states and 463 transitions. [2022-10-17 16:31:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 463 transitions. [2022-10-17 16:31:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:31:15,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:15,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:15,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 267 states and 459 transitions. [2022-10-17 16:31:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 459 transitions. [2022-10-17 16:31:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:31:15,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:15,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:16,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:16,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 267 states and 453 transitions. [2022-10-17 16:31:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 453 transitions. [2022-10-17 16:31:16,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:31:16,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:16,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:16,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1544 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:16,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:16,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:16,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 267 states and 447 transitions. [2022-10-17 16:31:16,896 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 447 transitions. [2022-10-17 16:31:16,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:31:16,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:16,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:17,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1687 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:17,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 280 states and 464 transitions. [2022-10-17 16:31:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 464 transitions. [2022-10-17 16:31:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:31:17,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:18,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 280 states and 462 transitions. [2022-10-17 16:31:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 462 transitions. [2022-10-17 16:31:18,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:31:18,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:18,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:18,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:18,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 280 states and 460 transitions. [2022-10-17 16:31:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 460 transitions. [2022-10-17 16:31:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:31:18,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:18,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:19,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:19,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 280 states and 458 transitions. [2022-10-17 16:31:19,090 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 458 transitions. [2022-10-17 16:31:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:31:19,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:19,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1691 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:19,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:19,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:19,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 280 states and 453 transitions. [2022-10-17 16:31:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 453 transitions. [2022-10-17 16:31:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:31:19,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:19,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:20,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1707 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:20,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:31:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:20,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 283 states and 455 transitions. [2022-10-17 16:31:20,573 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 455 transitions. [2022-10-17 16:31:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:31:20,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:20,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:21,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:21,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 283 states and 449 transitions. [2022-10-17 16:31:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 449 transitions. [2022-10-17 16:31:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:31:21,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:21,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:21,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 824 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:31:21,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:21,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-17 16:31:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:31:21,948 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-10-17 16:31:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:31:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 286 states and 455 transitions. [2022-10-17 16:31:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 455 transitions. [2022-10-17 16:31:22,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:31:22,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:22,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:23,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 3020 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:23,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 286 states and 449 transitions. [2022-10-17 16:31:23,677 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 449 transitions. [2022-10-17 16:31:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:31:23,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:25,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 3163 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:25,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:25,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 299 states and 467 transitions. [2022-10-17 16:31:25,681 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 467 transitions. [2022-10-17 16:31:25,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:31:25,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:26,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 1946 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:26,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:26,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 299 states and 465 transitions. [2022-10-17 16:31:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 465 transitions. [2022-10-17 16:31:26,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:31:26,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:26,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:27,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1973 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:27,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 299 states and 463 transitions. [2022-10-17 16:31:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 463 transitions. [2022-10-17 16:31:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:31:27,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:28,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 3177 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:28,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 299 states and 461 transitions. [2022-10-17 16:31:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 461 transitions. [2022-10-17 16:31:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:31:28,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:28,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:29,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 3183 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:29,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:29,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:31:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 302 states and 463 transitions. [2022-10-17 16:31:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 463 transitions. [2022-10-17 16:31:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:31:29,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:29,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:30,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 2300 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:30,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:31:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 330 states and 497 transitions. [2022-10-17 16:31:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 497 transitions. [2022-10-17 16:31:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:31:31,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:31,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:32,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 2343 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:32,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:31:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 330 states and 495 transitions. [2022-10-17 16:31:32,383 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 495 transitions. [2022-10-17 16:31:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:31:32,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:32,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:33,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 2320 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:31:33,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:31:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:33,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 333 states and 497 transitions. [2022-10-17 16:31:33,646 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 497 transitions. [2022-10-17 16:31:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:31:33,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:33,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:34,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 2555 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:31:34,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:31:34,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:34,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 333 states and 496 transitions. [2022-10-17 16:31:34,703 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 496 transitions. [2022-10-17 16:31:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:31:34,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms