./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_const4.c --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_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/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_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_const4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/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_2587c72f-48e0-47c7-b15c-24e8fb30feb2/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 e61c61c9ffe0a2031cf5a0964b1882adcc5bdae1b7345aeaf1c374f155ad9e78 --- 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 17:06:59,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:06:59,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:06:59,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:06:59,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:06:59,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:06:59,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:06:59,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:06:59,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:06:59,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:06:59,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:06:59,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:06:59,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:06:59,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:06:59,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:06:59,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:06:59,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:06:59,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:06:59,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:06:59,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:06:59,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:06:59,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:06:59,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:06:59,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:06:59,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:06:59,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:06:59,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:06:59,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:06:59,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:06:59,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:06:59,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:06:59,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:06:59,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:06:59,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:06:59,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:06:59,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:06:59,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:06:59,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:06:59,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:06:59,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:06:59,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:06:59,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:06:59,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:06:59,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:06:59,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:06:59,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:06:59,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:06:59,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:06:59,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:06:59,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:06:59,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:06:59,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:06:59,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:06:59,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:06:59,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:06:59,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:06:59,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:06:59,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:06:59,650 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:06:59,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:06:59,650 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:06:59,651 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:06:59,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:06:59,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:59,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:06:59,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:06:59,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:06:59,652 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:06:59,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:06:59,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:06:59,653 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_2587c72f-48e0-47c7-b15c-24e8fb30feb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e61c61c9ffe0a2031cf5a0964b1882adcc5bdae1b7345aeaf1c374f155ad9e78 [2022-10-17 17:06:59,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:06:59,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:06:59,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:06:59,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:06:59,997 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:06:59,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-crafted/zero_sum_const4.c [2022-10-17 17:07:00,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/data/c12b2f627/2a3c543c0af84a9f9ee1a51a56956425/FLAG38050b526 [2022-10-17 17:07:00,663 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:00,664 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/sv-benchmarks/c/array-crafted/zero_sum_const4.c [2022-10-17 17:07:00,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/data/c12b2f627/2a3c543c0af84a9f9ee1a51a56956425/FLAG38050b526 [2022-10-17 17:07:01,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/data/c12b2f627/2a3c543c0af84a9f9ee1a51a56956425 [2022-10-17 17:07:01,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:01,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:01,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:01,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:01,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:01,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61bc41ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01, skipping insertion in model container [2022-10-17 17:07:01,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:01,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:01,234 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_2587c72f-48e0-47c7-b15c-24e8fb30feb2/sv-benchmarks/c/array-crafted/zero_sum_const4.c[406,419] [2022-10-17 17:07:01,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:01,289 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:01,304 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_2587c72f-48e0-47c7-b15c-24e8fb30feb2/sv-benchmarks/c/array-crafted/zero_sum_const4.c[406,419] [2022-10-17 17:07:01,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:01,362 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:01,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01 WrapperNode [2022-10-17 17:07:01,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:01,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:01,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:01,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:01,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,417 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2022-10-17 17:07:01,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:01,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:01,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:01,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:01,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:01,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:01,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:01,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:01,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:01,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:01,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:01,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2587c72f-48e0-47c7-b15c-24e8fb30feb2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:07:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:07:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:01,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:01,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:07:01,604 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:01,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:01,799 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:01,864 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:01,865 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 17:07:01,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:01 BoogieIcfgContainer [2022-10-17 17:07:01,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:01,868 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:01,869 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:01,879 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:01,879 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:01" (1/1) ... [2022-10-17 17:07:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2022-10-17 17:07:01,984 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2022-10-17 17:07:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:07:01,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,281 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 17:07:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 17:07:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 17:07:02,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:07:02,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:07:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-10-17 17:07:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-10-17 17:07:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:07:02,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:07:02,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2022-10-17 17:07:02,827 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2022-10-17 17:07:02,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:07:02,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:07:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:02,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-10-17 17:07:02,985 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-10-17 17:07:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:07:02,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:02,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 17:07:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2022-10-17 17:07:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2022-10-17 17:07:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:07:03,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 17:07:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2022-10-17 17:07:03,251 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-10-17 17:07:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:07:03,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 17:07:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-10-17 17:07:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-10-17 17:07:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:07:03,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,506 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:07:03,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2022-10-17 17:07:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-10-17 17:07:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:07:03,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:07:03,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2022-10-17 17:07:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2022-10-17 17:07:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:07:03,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:07:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:03,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2022-10-17 17:07:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2022-10-17 17:07:03,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:07:03,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:03,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 17:07:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2022-10-17 17:07:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2022-10-17 17:07:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:07:04,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:07:04,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2022-10-17 17:07:04,125 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2022-10-17 17:07:04,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:07:04,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:07:04,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 17:07:04,262 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 17:07:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:07:04,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 17:07:04,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2022-10-17 17:07:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-10-17 17:07:04,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:07:04,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 17:07:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2022-10-17 17:07:04,504 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2022-10-17 17:07:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:07:04,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 17:07:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-10-17 17:07:04,640 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-10-17 17:07:04,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:07:04,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,730 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 17:07:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2022-10-17 17:07:04,755 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2022-10-17 17:07:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:07:04,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:04,825 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:07:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:04,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2022-10-17 17:07:04,879 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2022-10-17 17:07:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:07:04,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:04,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 63 states and 131 transitions. [2022-10-17 17:07:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 131 transitions. [2022-10-17 17:07:10,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:10,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:10,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 133 transitions. [2022-10-17 17:07:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 133 transitions. [2022-10-17 17:07:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:12,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:12,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 70 states and 146 transitions. [2022-10-17 17:07:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 146 transitions. [2022-10-17 17:07:14,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:14,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:14,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:16,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:16,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 80 states and 168 transitions. [2022-10-17 17:07:16,324 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 168 transitions. [2022-10-17 17:07:16,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:16,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:16,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:16,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:16,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 81 states and 168 transitions. [2022-10-17 17:07:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 168 transitions. [2022-10-17 17:07:16,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:16,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:16,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 82 states and 168 transitions. [2022-10-17 17:07:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 168 transitions. [2022-10-17 17:07:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:17,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 89 states and 182 transitions. [2022-10-17 17:07:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 182 transitions. [2022-10-17 17:07:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:18,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:18,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:18,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 90 states and 182 transitions. [2022-10-17 17:07:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 182 transitions. [2022-10-17 17:07:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:07:18,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:18,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:18,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:19,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 94 states and 188 transitions. [2022-10-17 17:07:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2022-10-17 17:07:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:07:19,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:07:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 99 states and 196 transitions. [2022-10-17 17:07:21,006 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 196 transitions. [2022-10-17 17:07:21,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:07:21,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:21,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:21,282 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-17 17:07:21,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:21,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 95 states and 186 transitions. [2022-10-17 17:07:21,411 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 186 transitions. [2022-10-17 17:07:21,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:07:21,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:21,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:21,489 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:07:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 96 states and 186 transitions. [2022-10-17 17:07:21,912 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 186 transitions. [2022-10-17 17:07:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:07:21,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:21,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:21,998 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-17 17:07:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 101 states and 194 transitions. [2022-10-17 17:07:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 194 transitions. [2022-10-17 17:07:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:07:22,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:22,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 17:07:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:23,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 98 states and 186 transitions. [2022-10-17 17:07:23,265 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 186 transitions. [2022-10-17 17:07:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:07:23,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:23,349 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 17:07:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 98 states and 183 transitions. [2022-10-17 17:07:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 183 transitions. [2022-10-17 17:07:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:07:23,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:23,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:23,623 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 17:07:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 99 states and 184 transitions. [2022-10-17 17:07:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 184 transitions. [2022-10-17 17:07:23,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:07:23,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:23,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 17:07:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:23,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 99 states and 182 transitions. [2022-10-17 17:07:23,978 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 182 transitions. [2022-10-17 17:07:23,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:07:23,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:24,075 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 17:07:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 104 states and 190 transitions. [2022-10-17 17:07:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 190 transitions. [2022-10-17 17:07:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:07:24,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:07:24,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 100 states and 181 transitions. [2022-10-17 17:07:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 181 transitions. [2022-10-17 17:07:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:07:24,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:24,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:24,561 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-17 17:07:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:24,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 182 transitions. [2022-10-17 17:07:24,701 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2022-10-17 17:07:24,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:07:24,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:24,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:24,812 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-10-17 17:07:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 101 states and 180 transitions. [2022-10-17 17:07:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 180 transitions. [2022-10-17 17:07:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:07:24,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:24,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 17:07:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:25,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 106 states and 189 transitions. [2022-10-17 17:07:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 189 transitions. [2022-10-17 17:07:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:07:25,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:25,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-17 17:07:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 102 states and 180 transitions. [2022-10-17 17:07:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 180 transitions. [2022-10-17 17:07:25,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:07:25,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:25,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat