./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum60.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_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/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_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/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_95512556-acae-4b15-ba54-a44bd4f5c9a0/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 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 --- 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 16:54:58,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:58,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:58,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:58,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:58,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:58,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:58,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:58,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:58,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:58,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:58,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:58,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:58,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:58,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:58,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:58,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:58,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:58,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:58,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:58,660 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:58,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:58,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:58,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:58,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:58,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:58,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:58,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:58,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:58,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:58,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:58,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:58,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:58,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:58,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:58,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:58,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:58,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:58,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:58,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:58,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:58,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:58,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:58,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:58,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:58,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:58,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:58,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:58,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:58,737 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:58,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:58,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:58,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:58,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:58,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:58,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:58,739 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:58,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:58,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:58,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:58,740 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:58,740 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:58,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:58,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:58,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:58,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:58,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:58,741 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:58,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:58,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:58,743 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_95512556-acae-4b15-ba54-a44bd4f5c9a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 [2022-10-17 16:54:59,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:59,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:59,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:59,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:59,112 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:59,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/reducercommutativity/rangesum60.i [2022-10-17 16:54:59,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/data/2d1053521/4278fc77711b4b54b88cfb76e2e842b0/FLAG326da6440 [2022-10-17 16:54:59,664 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:59,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/sv-benchmarks/c/reducercommutativity/rangesum60.i [2022-10-17 16:54:59,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/data/2d1053521/4278fc77711b4b54b88cfb76e2e842b0/FLAG326da6440 [2022-10-17 16:55:00,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/data/2d1053521/4278fc77711b4b54b88cfb76e2e842b0 [2022-10-17 16:55:00,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:00,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:00,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:00,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:00,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:00,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c5639ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00, skipping insertion in model container [2022-10-17 16:55:00,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:00,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:00,312 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_95512556-acae-4b15-ba54-a44bd4f5c9a0/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2022-10-17 16:55:00,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:00,323 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:00,365 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_95512556-acae-4b15-ba54-a44bd4f5c9a0/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2022-10-17 16:55:00,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:00,384 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:00,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00 WrapperNode [2022-10-17 16:55:00,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:00,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:00,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:00,388 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:00,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,413 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,440 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-10-17 16:55:00,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:00,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:00,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:00,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:00,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:00,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:00,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:00,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:00,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:00,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:00,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:00,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95512556-acae-4b15-ba54-a44bd4f5c9a0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:55:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:55:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:55:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2022-10-17 16:55:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2022-10-17 16:55:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:55:00,662 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:00,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:00,850 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:00,941 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:00,941 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:55:00,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:00 BoogieIcfgContainer [2022-10-17 16:55:00,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:00,945 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:00,946 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:00,957 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:00,957 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:00" (1/1) ... [2022-10-17 16:55:00,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2022-10-17 16:55:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2022-10-17 16:55:01,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:55:01,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:01,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 16:55:01,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:01,282 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:55:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2022-10-17 16:55:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2022-10-17 16:55:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:55:01,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:01,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 16:55:01,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:55:01,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:01,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-10-17 16:55:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 16:55:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:55:01,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:01,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 16:55:01,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:55:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:55:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:55:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:55:01,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:01,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:01,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:55:01,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:01,918 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 16:55:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-10-17 16:55:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-10-17 16:55:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:55:01,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:01,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:55:02,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2022-10-17 16:55:02,226 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-10-17 16:55:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:55:02,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:02,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:02,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:55:02,436 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:55:02,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:55:02,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:55:02,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-10-17 16:55:02,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-10-17 16:55:02,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:55:02,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:55:02,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:02,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-10-17 16:55:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-10-17 16:55:02,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:55:02,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:02,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:02,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:55:02,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:03,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2022-10-17 16:55:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2022-10-17 16:55:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:55:03,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:55:03,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:03,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2022-10-17 16:55:03,283 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-10-17 16:55:03,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:55:03,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:55:03,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2022-10-17 16:55:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2022-10-17 16:55:03,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:55:03,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:55:03,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2022-10-17 16:55:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-10-17 16:55:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:55:03,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:03,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:03,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:55:03,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2022-10-17 16:55:04,056 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-10-17 16:55:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:55:04,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:04,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:04,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:55:04,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:04,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2022-10-17 16:55:04,309 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-10-17 16:55:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:55:04,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:04,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:04,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:55:04,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:04,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2022-10-17 16:55:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-10-17 16:55:04,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:55:04,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:04,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:04,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:04,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:55:04,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2022-10-17 16:55:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-10-17 16:55:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:55:04,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:04,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:55:04,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:04,980 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:05,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-10-17 16:55:05,075 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-10-17 16:55:05,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:55:05,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:05,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:55:05,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:05,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2022-10-17 16:55:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-10-17 16:55:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:55:05,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:05,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:55:05,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:05,525 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:05,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2022-10-17 16:55:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-10-17 16:55:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:55:05,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:05,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:55:05,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2022-10-17 16:55:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-10-17 16:55:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:55:05,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:55:06,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:06,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-10-17 16:55:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-10-17 16:55:06,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:55:06,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:55:06,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2022-10-17 16:55:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-10-17 16:55:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:55:06,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:06,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:55:06,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:06,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2022-10-17 16:55:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2022-10-17 16:55:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:55:06,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:06,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:55:06,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2022-10-17 16:55:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-10-17 16:55:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:55:07,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:07,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:07,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:55:07,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:07,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:07,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2022-10-17 16:55:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-10-17 16:55:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:55:07,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:07,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:07,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:55:07,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:07,684 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:07,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:07,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-10-17 16:55:07,813 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-10-17 16:55:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:55:07,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:07,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:07,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:55:07,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:08,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-10-17 16:55:08,188 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-10-17 16:55:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:55:08,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:08,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:55:08,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2022-10-17 16:55:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-10-17 16:55:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:55:08,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:08,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:55:08,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:08,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2022-10-17 16:55:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-10-17 16:55:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:55:08,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:08,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:09,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:55:09,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2022-10-17 16:55:09,302 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2022-10-17 16:55:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:55:09,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:09,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:09,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:55:09,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2022-10-17 16:55:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2022-10-17 16:55:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:55:09,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:09,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:09,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:55:09,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2022-10-17 16:55:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2022-10-17 16:55:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:55:10,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:10,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:10,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:55:10,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:10,347 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2022-10-17 16:55:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2022-10-17 16:55:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:55:10,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:10,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:10,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:55:10,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:10,749 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2022-10-17 16:55:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-10-17 16:55:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:55:10,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:11,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 16:55:11,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:11,182 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:11,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2022-10-17 16:55:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2022-10-17 16:55:11,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:55:11,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:11,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:11,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:55:11,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:11,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2022-10-17 16:55:11,718 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2022-10-17 16:55:11,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:55:11,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:11,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:11,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:55:11,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:11,985 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2022-10-17 16:55:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2022-10-17 16:55:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:55:12,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:12,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 16:55:12,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:12,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2022-10-17 16:55:12,557 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2022-10-17 16:55:12,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:55:12,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:12,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:55:12,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2022-10-17 16:55:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2022-10-17 16:55:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:55:12,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:12,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:13,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 16:55:13,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2022-10-17 16:55:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2022-10-17 16:55:13,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:55:13,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:13,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:13,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:55:13,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2022-10-17 16:55:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2022-10-17 16:55:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:55:13,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:13,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:14,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 16:55:14,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:14,162 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2022-10-17 16:55:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2022-10-17 16:55:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:55:14,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:14,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 16:55:14,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-10-17 16:55:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-10-17 16:55:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:55:14,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:14,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:14,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 16:55:14,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2022-10-17 16:55:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-10-17 16:55:15,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:55:15,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:15,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:15,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:55:15,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2022-10-17 16:55:15,785 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2022-10-17 16:55:15,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:55:15,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:15,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:15,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 16:55:15,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:16,086 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:16,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2022-10-17 16:55:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-10-17 16:55:16,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:55:16,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:16,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:16,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 16:55:16,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2022-10-17 16:55:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2022-10-17 16:55:16,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:55:16,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:16,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 16:55:16,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:17,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2022-10-17 16:55:17,347 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2022-10-17 16:55:17,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:55:17,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:17,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:17,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:55:17,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:17,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2022-10-17 16:55:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2022-10-17 16:55:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:55:17,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:18,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 16:55:18,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:18,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2022-10-17 16:55:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2022-10-17 16:55:18,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:55:18,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:18,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:18,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 16:55:18,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:18,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:18,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2022-10-17 16:55:18,990 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2022-10-17 16:55:18,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 16:55:18,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:18,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:19,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 16:55:19,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:19,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2022-10-17 16:55:19,507 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2022-10-17 16:55:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:55:19,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:19,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:19,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 16:55:19,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:19,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2022-10-17 16:55:20,096 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2022-10-17 16:55:20,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:55:20,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:20,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:20,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 16:55:20,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:20,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:20,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:20,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2022-10-17 16:55:20,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2022-10-17 16:55:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 16:55:20,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:20,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:20,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 16:55:20,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:21,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:21,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2022-10-17 16:55:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2022-10-17 16:55:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:55:21,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:21,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:21,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 16:55:21,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:21,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2022-10-17 16:55:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2022-10-17 16:55:21,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:55:21,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:21,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:21,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 16:55:21,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:22,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 74 states and 81 transitions. [2022-10-17 16:55:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2022-10-17 16:55:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:55:22,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:22,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 16:55:22,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2022-10-17 16:55:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2022-10-17 16:55:22,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:55:22,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:22,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 16:55:23,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:23,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:23,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2022-10-17 16:55:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2022-10-17 16:55:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 16:55:23,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:23,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:23,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 16:55:23,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:24,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2022-10-17 16:55:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2022-10-17 16:55:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 16:55:24,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:24,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 16:55:24,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:24,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2022-10-17 16:55:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2022-10-17 16:55:24,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:55:24,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:24,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 16:55:25,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1792 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:55:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 79 states and 85 transitions. [2022-10-17 16:55:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-10-17 16:55:25,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:55:25,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:25,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:25,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:55:25,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1841 trivial. 0 not checked. [2022-10-17 16:55:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2022-10-17 16:55:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2022-10-17 16:55:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:55:26,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:26,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:26,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:55:26,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 1850 trivial. 0 not checked. [2022-10-17 16:55:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2022-10-17 16:55:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2022-10-17 16:55:26,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:55:26,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:26,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:26,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:26,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:27,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2022-10-17 16:55:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 82 states and 88 transitions. [2022-10-17 16:55:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2022-10-17 16:55:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:55:27,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:27,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:27,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:55:27,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:27,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2022-10-17 16:55:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2022-10-17 16:55:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2022-10-17 16:55:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:55:27,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:27,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:28,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:55:28,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:28,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 1901 trivial. 0 not checked. [2022-10-17 16:55:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 84 states and 90 transitions. [2022-10-17 16:55:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2022-10-17 16:55:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:55:28,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:28,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:28,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:55:28,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked.