./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9 --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 32bit --witnessprinter.graph.data.programhash 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:30:07,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:30:07,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:30:07,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:30:07,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:30:07,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:30:07,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:30:07,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:30:07,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:30:07,217 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:30:07,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:30:07,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:30:07,219 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:30:07,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:30:07,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:30:07,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:30:07,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:30:07,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:30:07,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:30:07,222 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:30:07,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:30:07,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:30:07,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:30:07,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:30:07,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:30:07,226 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:30:07,226 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:30:07,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:30:07,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:30:07,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:30:07,228 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:30:07,228 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:30:07,228 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:30:07,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:30:07,229 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:30:07,229 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_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c [2023-12-02 22:30:07,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:30:07,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:30:07,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:30:07,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:30:07,468 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:30:07,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c [2023-12-02 22:30:10,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:30:10,343 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:30:10,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c [2023-12-02 22:30:10,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/data/23c5b1333/0594d6d69ae04190b5a7fcfc07d7fdca/FLAGeebbb1e08 [2023-12-02 22:30:10,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/data/23c5b1333/0594d6d69ae04190b5a7fcfc07d7fdca [2023-12-02 22:30:10,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:30:10,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:30:10,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:30:10,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:30:10,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:30:10,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad8ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10, skipping insertion in model container [2023-12-02 22:30:10,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:30:10,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:30:10,568 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:30:10,594 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:30:10,609 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:30:10,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10 WrapperNode [2023-12-02 22:30:10,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:30:10,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:30:10,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:30:10,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:30:10,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,648 INFO L138 Inliner]: procedures = 16, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-12-02 22:30:10,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:30:10,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:30:10,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:30:10,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:30:10,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,658 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,659 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,670 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:30:10,671 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:30:10,671 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:30:10,671 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:30:10,672 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:30:10" (1/1) ... [2023-12-02 22:30:10,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:30:10,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:30:10,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:30:10,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d0c9f4-92f6-461d-a1e9-792a13a01182/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:30:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:30:10,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:30:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:30:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:30:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:30:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2023-12-02 22:30:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2023-12-02 22:30:10,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:30:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:30:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:30:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:30:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:30:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:30:10,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:30:10,817 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:30:10,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:30:11,205 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:30:11,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:30:11,244 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 22:30:11,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:30:11 BoogieIcfgContainer [2023-12-02 22:30:11,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:30:11,247 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:30:11,247 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:30:11,257 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:30:11,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:30:11" (1/1) ... [2023-12-02 22:30:11,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:30:11,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2023-12-02 22:30:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2023-12-02 22:30:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-12-02 22:30:11,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 134 states and 139 transitions. [2023-12-02 22:30:11,508 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2023-12-02 22:30:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 22:30:11,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 133 states and 138 transitions. [2023-12-02 22:30:11,618 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2023-12-02 22:30:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 22:30:11,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:11,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 132 states and 137 transitions. [2023-12-02 22:30:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2023-12-02 22:30:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 22:30:11,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2023-12-02 22:30:11,758 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2023-12-02 22:30:11,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 22:30:11,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:11,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2023-12-02 22:30:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2023-12-02 22:30:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:30:11,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:30:11,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:11,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:11,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:11,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2023-12-02 22:30:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2023-12-02 22:30:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:30:11,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:11,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:11,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:30:11,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:30:12,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:12,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 128 states and 133 transitions. [2023-12-02 22:30:12,063 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2023-12-02 22:30:12,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:30:12,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:12,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:12,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:30:12,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:12,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:30:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:12,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 127 states and 132 transitions. [2023-12-02 22:30:12,168 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2023-12-02 22:30:12,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 22:30:12,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:12,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:12,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:30:12,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:30:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 126 states and 131 transitions. [2023-12-02 22:30:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2023-12-02 22:30:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 22:30:12,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:12,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:12,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:30:12,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:30:12,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:12,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 125 states and 130 transitions. [2023-12-02 22:30:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2023-12-02 22:30:12,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 22:30:12,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:12,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:12,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:30:12,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:30:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 124 states and 129 transitions. [2023-12-02 22:30:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2023-12-02 22:30:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:30:12,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:12,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:12,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:30:12,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:12,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:30:12,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 22:30:12,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:30:13,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:13,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 123 states and 128 transitions. [2023-12-02 22:30:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2023-12-02 22:30:13,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:30:13,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:13,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:13,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:30:13,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:13,360 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-12-02 22:30:13,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 87 [2023-12-02 22:30:13,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:30:13,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-12-02 22:30:13,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-12-02 22:30:13,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 22:30:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:30:15,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:15,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 122 states and 127 transitions. [2023-12-02 22:30:15,016 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2023-12-02 22:30:15,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:30:15,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:15,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:15,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 22:30:15,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:15,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:30:15,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-02 22:30:15,852 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-12-02 22:30:15,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 55 [2023-12-02 22:30:15,884 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-12-02 22:30:15,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 56 [2023-12-02 22:30:15,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-12-02 22:30:15,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-12-02 22:30:15,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 22 [2023-12-02 22:30:15,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2023-12-02 22:30:16,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-02 22:30:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:30:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:18,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 121 states and 126 transitions. [2023-12-02 22:30:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2023-12-02 22:30:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:30:18,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:18,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:18,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 22:30:18,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:18,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:30:18,789 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2023-12-02 22:30:18,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2023-12-02 22:30:19,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-12-02 22:30:19,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2023-12-02 22:30:19,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-12-02 22:30:19,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:30:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:30:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 124 states and 130 transitions. [2023-12-02 22:30:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 130 transitions. [2023-12-02 22:30:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:30:22,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:30:22,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:30:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:30:22,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 22:30:22,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:30:22,946 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-12-02 22:30:22,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 55 [2023-12-02 22:30:23,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2023-12-02 22:31:41,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-12-02 22:31:51,447 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_func_to_recursive_line_33_to_42_0_#t~mem5| |c_func_to_recursive_line_33_to_42_0_#t~mem4|) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2023-12-02 22:31:51,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:32:59,561 WARN L293 SmtUtils]: Spent 7.77s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:35:22,471 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification. DAG size of input: 27 DAG size of output: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:35:27,676 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#r~0#1.base|) 0) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#A~0#1.base|) 0)) .cse0) (<= .cse0 9223372036854775807))))) (= |c_ULTIMATE.start_main_~#r~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~#A~0#1.base| |c_ULTIMATE.start_main_~#r~0#1.base|)) (= |c_ULTIMATE.start_main_~#A~0#1.offset| 0))) is different from true [2023-12-02 22:35:44,935 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_func_to_recursive_line_33_to_42_0_#in~r.offset| 0)) (.cse2 (not (= |c_func_to_recursive_line_33_to_42_0_#in~r.base| |c_func_to_recursive_line_33_to_42_0_#in~A.base|))) (.cse1 (+ (select (select |c_#memory_int| |c_func_to_recursive_line_33_to_42_0_#in~A.base|) 0) (select (select |c_#memory_int| |c_func_to_recursive_line_33_to_42_0_#in~r.base|) 0))) (.cse3 (= 0 |c_func_to_recursive_line_33_to_42_0_#in~A.offset|))) (and .cse0 (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (<= (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|) .cse1)) .cse2 .cse3 (not (and .cse0 .cse2 (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse4 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= .cse1 .cse4) (<= .cse4 9223372036854775807)))) .cse3)))) is different from false [2023-12-02 22:35:59,703 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse0 (= |c_func_to_recursive_line_33_to_42_0_#in~r.offset| 0)) (.cse2 (not (= |c_func_to_recursive_line_33_to_42_0_#in~r.base| |c_func_to_recursive_line_33_to_42_0_#in~A.base|))) (.cse1 (+ (select (select |c_#memory_int| |c_func_to_recursive_line_33_to_42_0_#in~A.base|) 0) (select (select |c_#memory_int| |c_func_to_recursive_line_33_to_42_0_#in~r.base|) 0))) (.cse3 (= 0 |c_func_to_recursive_line_33_to_42_0_#in~A.offset|))) (and .cse0 (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (<= (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|) .cse1)) .cse2 .cse3 (not (and .cse0 .cse2 (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse4 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= .cse1 .cse4) (<= .cse4 9223372036854775807)))) .cse3))))) is different from true [2023-12-02 22:37:46,663 WARN L293 SmtUtils]: Spent 38.32s on a formula simplification. DAG size of input: 27 DAG size of output: 24 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:37:48,951 WARN L876 $PredicateComparison]: unable to prove that (not (and (not (= c_func_to_recursive_line_33_to_42_0_~A.base c_func_to_recursive_line_33_to_42_0_~r.base)) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~r.base) 0) (select (select |c_#memory_int| c_func_to_recursive_line_33_to_42_0_~A.base) 0)) .cse0) (<= .cse0 9223372036854775807))))) (= c_func_to_recursive_line_33_to_42_0_~A.offset 0) (= c_func_to_recursive_line_33_to_42_0_~r.offset 0))) is different from true [2023-12-02 22:37:51,798 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_func_to_recursive_line_33_to_42_0_#t~mem5| |c_func_to_recursive_line_33_to_42_0_#t~mem4|) .cse0) (<= .cse0 9223372036854775807))))) is different from false [2023-12-02 22:37:53,802 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_func_to_recursive_line_33_to_42_0_#t~mem5| |c_func_to_recursive_line_33_to_42_0_#t~mem4|))) (and (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (<= (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|) .cse0)) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse1 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= .cse0 .cse1) (<= .cse1 9223372036854775807))))))) is different from false [2023-12-02 22:38:05,405 WARN L876 $PredicateComparison]: unable to prove that (not (let ((.cse0 (+ |c_func_to_recursive_line_33_to_42_0_#t~mem5| |c_func_to_recursive_line_33_to_42_0_#t~mem4|))) (and (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (<= (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|) .cse0)) (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse1 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= .cse0 .cse1) (<= .cse1 9223372036854775807)))))))) is different from true [2023-12-02 22:38:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:38:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 129 states and 147 transitions. [2023-12-02 22:38:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 147 transitions. [2023-12-02 22:38:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 22:38:05,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:38:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:38:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:38:05,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-02 22:38:05,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:38:05,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 22:38:05,493 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-12-02 22:38:05,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 87 [2023-12-02 22:38:28,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2023-12-02 22:38:28,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 24 [2023-12-02 22:38:51,775 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2023-12-02 22:38:51,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 37 [2023-12-02 22:39:09,681 WARN L293 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:39:36,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 22:39:36,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 58 [2023-12-02 22:39:54,102 WARN L293 SmtUtils]: Spent 9.41s on a formula simplification. DAG size of input: 29 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:39:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:43:36,083 WARN L293 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)