./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ddb26eab16f240735f9d1465e4eb4848a506b7f6f359090de5f9df37aee37107 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:19:55,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:19:55,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:19:55,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:19:55,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:19:55,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:19:55,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:19:55,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:19:55,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:19:55,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:19:55,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:19:55,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:19:55,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:19:55,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:19:55,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:19:55,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:19:55,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:19:55,681 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:19:55,681 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:19:55,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:19:55,682 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:19:55,683 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:19:55,684 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:19:55,684 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:19:55,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:19:55,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:19:55,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:19:55,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:19:55,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:19:55,688 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:19:55,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:19:55,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:19:55,690 INFO L153 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_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb26eab16f240735f9d1465e4eb4848a506b7f6f359090de5f9df37aee37107 [2023-11-23 20:19:56,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:19:56,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:19:56,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:19:56,086 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:19:56,087 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:19:56,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2023-11-23 20:19:59,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:19:59,596 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:19:59,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2023-11-23 20:19:59,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/data/f35740866/7e32944b210a422d986cba5a6ee749aa/FLAG777021254 [2023-11-23 20:19:59,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/data/f35740866/7e32944b210a422d986cba5a6ee749aa [2023-11-23 20:19:59,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:19:59,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:19:59,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:19:59,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:19:59,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:19:59,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@768df25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:19:59, skipping insertion in model container [2023-11-23 20:19:59,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:19:59" (1/1) ... [2023-11-23 20:19:59,774 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:01,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:01,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:01,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:01,732 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:01,733 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:01,741 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:01,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01 WrapperNode [2023-11-23 20:20:01,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:01,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:01,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:01,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:01,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:01,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:01,902 INFO L138 Inliner]: procedures = 598, calls = 177, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 624 [2023-11-23 20:20:01,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:01,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:01,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:01,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:01,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:01,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:01,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:01,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:01,988 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:01,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:02,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:02,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:02,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:02,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:02,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:02,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:02,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:01" (1/1) ... [2023-11-23 20:20:02,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:02,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:02,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:02,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d27f53-175a-4034-9354-88d85bcf097e/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 20:20:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:20:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 20:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-23 20:20:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 20:20:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-23 20:20:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-23 20:20:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 20:20:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 20:20:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:20:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:20:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 20:20:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-23 20:20:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-23 20:20:02,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-23 20:20:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:02,620 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:02,623 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:03,492 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:03,670 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:03,670 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-23 20:20:03,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:03 BoogieIcfgContainer [2023-11-23 20:20:03,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:03,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:03,674 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:03,686 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:03,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:03" (1/1) ... [2023-11-23 20:20:03,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:03,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 150 states and 194 transitions. [2023-11-23 20:20:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2023-11-23 20:20:03,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:20:03,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:03,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 152 states and 197 transitions. [2023-11-23 20:20:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2023-11-23 20:20:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:20:04,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 153 states and 198 transitions. [2023-11-23 20:20:04,535 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 198 transitions. [2023-11-23 20:20:04,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:20:04,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 201 transitions. [2023-11-23 20:20:04,779 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2023-11-23 20:20:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:20:04,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:04,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:05,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 154 states and 200 transitions. [2023-11-23 20:20:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2023-11-23 20:20:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:05,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 201 transitions. [2023-11-23 20:20:05,274 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2023-11-23 20:20:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:05,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,424 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 154 states and 200 transitions. [2023-11-23 20:20:05,574 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2023-11-23 20:20:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:20:05,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:20:05,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:05,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 199 transitions. [2023-11-23 20:20:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2023-11-23 20:20:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:20:05,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:05,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:05,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 156 states and 202 transitions. [2023-11-23 20:20:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 202 transitions. [2023-11-23 20:20:06,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:20:06,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 159 states and 205 transitions. [2023-11-23 20:20:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2023-11-23 20:20:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:20:06,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:06,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:06,837 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 162 states and 208 transitions. [2023-11-23 20:20:07,027 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2023-11-23 20:20:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:20:07,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 165 states and 211 transitions. [2023-11-23 20:20:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 211 transitions. [2023-11-23 20:20:07,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:20:07,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,727 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 168 states and 214 transitions. [2023-11-23 20:20:07,948 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 214 transitions. [2023-11-23 20:20:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:07,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 171 states and 217 transitions. [2023-11-23 20:20:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 217 transitions. [2023-11-23 20:20:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:20:08,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,919 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 174 states and 220 transitions. [2023-11-23 20:20:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-23 20:20:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:20:09,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 177 states and 222 transitions. [2023-11-23 20:20:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2023-11-23 20:20:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:20:09,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 176 states and 221 transitions. [2023-11-23 20:20:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2023-11-23 20:20:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:20:10,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 175 states and 220 transitions. [2023-11-23 20:20:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 220 transitions. [2023-11-23 20:20:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:20:10,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 174 states and 219 transitions. [2023-11-23 20:20:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 219 transitions. [2023-11-23 20:20:10,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:20:10,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:11,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 175 states and 221 transitions. [2023-11-23 20:20:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-23 20:20:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:20:11,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:11,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:11,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 176 states and 222 transitions. [2023-11-23 20:20:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2023-11-23 20:20:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:20:11,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:11,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:11,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 177 states and 223 transitions. [2023-11-23 20:20:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2023-11-23 20:20:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:20:11,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:11,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:12,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 178 states and 225 transitions. [2023-11-23 20:20:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2023-11-23 20:20:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:20:12,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:20:12,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:12,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 183 states and 234 transitions. [2023-11-23 20:20:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2023-11-23 20:20:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:20:12,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:12,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:13,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 185 states and 238 transitions. [2023-11-23 20:20:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 238 transitions. [2023-11-23 20:20:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:20:13,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:20:13,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 186 states and 239 transitions. [2023-11-23 20:20:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-11-23 20:20:13,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:20:13,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:20:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 185 states and 238 transitions. [2023-11-23 20:20:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 238 transitions. [2023-11-23 20:20:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:20:14,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:14,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:14,295 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-23 20:20:14,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:14,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 187 states and 240 transitions. [2023-11-23 20:20:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 240 transitions. [2023-11-23 20:20:14,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:20:14,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:14,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-23 20:20:15,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:15,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 188 states and 243 transitions. [2023-11-23 20:20:15,744 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 243 transitions. [2023-11-23 20:20:15,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:20:15,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:15,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:16,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 189 states and 244 transitions. [2023-11-23 20:20:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 244 transitions. [2023-11-23 20:20:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:20:16,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:16,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-23 20:20:16,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 190 states and 244 transitions. [2023-11-23 20:20:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 244 transitions. [2023-11-23 20:20:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:20:16,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 193 states and 247 transitions. [2023-11-23 20:20:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2023-11-23 20:20:17,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:20:17,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:17,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 196 states and 250 transitions. [2023-11-23 20:20:18,430 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 250 transitions. [2023-11-23 20:20:18,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:20:18,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:18,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:18,846 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 199 states and 253 transitions. [2023-11-23 20:20:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 253 transitions. [2023-11-23 20:20:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-23 20:20:19,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:19,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 202 states and 256 transitions. [2023-11-23 20:20:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 256 transitions. [2023-11-23 20:20:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:20:20,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:20,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 205 states and 259 transitions. [2023-11-23 20:20:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 259 transitions. [2023-11-23 20:20:21,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:20:21,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:22,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 208 states and 262 transitions. [2023-11-23 20:20:22,553 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 262 transitions. [2023-11-23 20:20:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-23 20:20:22,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:22,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 211 states and 265 transitions. [2023-11-23 20:20:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 265 transitions. [2023-11-23 20:20:23,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-23 20:20:23,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-23 20:20:24,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:24,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 214 states and 267 transitions. [2023-11-23 20:20:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 267 transitions. [2023-11-23 20:20:24,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:20:24,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:24,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:25,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.