./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 527bcce2 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_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/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_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:41:18,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:18,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:41:18,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:41:18,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:41:18,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:18,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:18,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:18,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:18,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:18,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:18,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:18,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:41:18,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:18,745 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:18,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:18,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:18,746 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:18,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:18,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:18,748 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:18,749 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:18,750 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:18,750 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:18,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:18,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:18,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:18,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:18,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:18,753 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:41:18,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:41:18,755 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:18,756 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_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb26eab16f240735f9d1465e4eb4848a506b7f6f359090de5f9df37aee37107 [2023-11-21 18:41:19,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:19,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:19,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:19,180 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:19,180 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:19,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2023-11-21 18:41:22,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:23,159 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:23,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/sv-benchmarks/c/busybox-1.22.0/usleep-2.i [2023-11-21 18:41:23,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/data/0db2e39d1/08d4ffb707de47c9b7199faf8457c135/FLAG37c1a265b [2023-11-21 18:41:23,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/data/0db2e39d1/08d4ffb707de47c9b7199faf8457c135 [2023-11-21 18:41:23,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:23,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:23,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:23,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:23,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:23,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:23" (1/1) ... [2023-11-21 18:41:23,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78eeba12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:23, skipping insertion in model container [2023-11-21 18:41:23,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:23" (1/1) ... [2023-11-21 18:41:23,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:24,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:24,890 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:25,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:25,381 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:25,382 WARN L675 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:25,390 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:25,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25 WrapperNode [2023-11-21 18:41:25,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:25,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:25,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:25,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:25,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,527 INFO L138 Inliner]: procedures = 598, calls = 177, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 624 [2023-11-21 18:41:25,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:25,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:25,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:25,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:25,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:25,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:25,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:25,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:25,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:25" (1/1) ... [2023-11-21 18:41:25,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:25,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:25,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:25,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bf4ca23-d92d-438c-b027-5b1cc63fe014/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:41:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:41:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:41:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:41:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-21 18:41:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:41:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-21 18:41:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-21 18:41:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:41:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:41:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:41:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:41:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:41:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:41:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-21 18:41:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-21 18:41:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-21 18:41:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:26,301 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:26,303 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:27,114 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:27,261 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:27,262 INFO L308 CfgBuilder]: Removed 10 assume(true) statements. [2023-11-21 18:41:27,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:27 BoogieIcfgContainer [2023-11-21 18:41:27,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:27,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:27,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:27,277 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:27,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:27" (1/1) ... [2023-11-21 18:41:27,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:27,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 150 states and 194 transitions. [2023-11-21 18:41:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 194 transitions. [2023-11-21 18:41:27,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:41:27,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:27,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:27,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 152 states and 197 transitions. [2023-11-21 18:41:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 197 transitions. [2023-11-21 18:41:28,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:41:28,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 153 states and 198 transitions. [2023-11-21 18:41:28,222 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 198 transitions. [2023-11-21 18:41:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:41:28,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:28,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 201 transitions. [2023-11-21 18:41:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2023-11-21 18:41:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:41:28,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,702 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:41:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 154 states and 200 transitions. [2023-11-21 18:41:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2023-11-21 18:41:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:28,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:28,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:29,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 155 states and 201 transitions. [2023-11-21 18:41:29,057 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2023-11-21 18:41:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:29,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:41:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 154 states and 200 transitions. [2023-11-21 18:41:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2023-11-21 18:41:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:41:29,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 18:41:29,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 199 transitions. [2023-11-21 18:41:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 199 transitions. [2023-11-21 18:41:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:41:29,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 156 states and 202 transitions. [2023-11-21 18:41:29,963 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 202 transitions. [2023-11-21 18:41:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:41:29,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:29,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 159 states and 205 transitions. [2023-11-21 18:41:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2023-11-21 18:41:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:41:30,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:30,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 162 states and 208 transitions. [2023-11-21 18:41:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 208 transitions. [2023-11-21 18:41:30,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:41:30,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,161 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:31,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 165 states and 211 transitions. [2023-11-21 18:41:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 211 transitions. [2023-11-21 18:41:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:41:31,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 168 states and 214 transitions. [2023-11-21 18:41:31,893 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 214 transitions. [2023-11-21 18:41:31,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:41:31,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:32,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 171 states and 217 transitions. [2023-11-21 18:41:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 217 transitions. [2023-11-21 18:41:32,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:41:32,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:32,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 174 states and 220 transitions. [2023-11-21 18:41:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-21 18:41:33,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:41:33,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:41:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:33,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 177 states and 222 transitions. [2023-11-21 18:41:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2023-11-21 18:41:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:41:33,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:33,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 176 states and 221 transitions. [2023-11-21 18:41:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2023-11-21 18:41:34,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:41:34,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 175 states and 220 transitions. [2023-11-21 18:41:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 220 transitions. [2023-11-21 18:41:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:41:34,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:34,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 174 states and 219 transitions. [2023-11-21 18:41:34,638 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 219 transitions. [2023-11-21 18:41:34,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:34,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 175 states and 221 transitions. [2023-11-21 18:41:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-21 18:41:34,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:41:34,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:34,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 176 states and 222 transitions. [2023-11-21 18:41:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2023-11-21 18:41:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:35,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:35,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 177 states and 223 transitions. [2023-11-21 18:41:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 223 transitions. [2023-11-21 18:41:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:41:35,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:35,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:35,699 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 178 states and 225 transitions. [2023-11-21 18:41:36,022 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2023-11-21 18:41:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:36,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:36,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:36,286 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:41:36,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 183 states and 234 transitions. [2023-11-21 18:41:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2023-11-21 18:41:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:41:36,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:36,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:37,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 185 states and 238 transitions. [2023-11-21 18:41:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 238 transitions. [2023-11-21 18:41:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:37,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:37,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:41:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 186 states and 239 transitions. [2023-11-21 18:41:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-11-21 18:41:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:41:37,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:37,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:37,811 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-21 18:41:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 185 states and 238 transitions. [2023-11-21 18:41:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 238 transitions. [2023-11-21 18:41:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:41:38,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:38,347 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-21 18:41:38,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 240 transitions. [2023-11-21 18:41:38,937 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 240 transitions. [2023-11-21 18:41:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:41:38,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:38,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2023-11-21 18:41:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 188 states and 243 transitions. [2023-11-21 18:41:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 243 transitions. [2023-11-21 18:41:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:41:39,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:39,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 189 states and 244 transitions. [2023-11-21 18:41:40,105 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 244 transitions. [2023-11-21 18:41:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:41:40,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:40,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-11-21 18:41:40,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 190 states and 244 transitions. [2023-11-21 18:41:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 244 transitions. [2023-11-21 18:41:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:41:40,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:40,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:40,741 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 193 states and 247 transitions. [2023-11-21 18:41:41,420 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 247 transitions. [2023-11-21 18:41:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:41:41,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:41,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 196 states and 250 transitions. [2023-11-21 18:41:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 250 transitions. [2023-11-21 18:41:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:41:42,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:43,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:43,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 199 states and 253 transitions. [2023-11-21 18:41:43,400 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 253 transitions. [2023-11-21 18:41:43,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:41:43,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:43,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:43,831 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:44,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 202 states and 256 transitions. [2023-11-21 18:41:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 256 transitions. [2023-11-21 18:41:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:41:44,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:44,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 1 proven. 51 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 205 states and 259 transitions. [2023-11-21 18:41:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 259 transitions. [2023-11-21 18:41:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:41:45,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:45,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 1 proven. 70 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 208 states and 262 transitions. [2023-11-21 18:41:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 262 transitions. [2023-11-21 18:41:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:41:46,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 1 proven. 92 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:48,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:48,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 211 states and 265 transitions. [2023-11-21 18:41:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 265 transitions. [2023-11-21 18:41:48,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-21 18:41:48,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:48,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 1 proven. 117 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-21 18:41:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:48,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 214 states and 267 transitions. [2023-11-21 18:41:48,869 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 267 transitions. [2023-11-21 18:41:48,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-21 18:41:48,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:48,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.